To Understand

Infinitive: to understand
Gerund: understanding
Past participle: understood
Simple past: understood


Irregular forms
Auxilliary verb
Spelling change

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Indicative

Present
I understand I understand
you understand you understand
he/she/it understands he/she/it understands
we understand we understand
they understand they understand
you understand you understand
I do not understand I don't understand
you do not understand you don't understand
he/she/it does not understand he/she/it doesn't understand
we do not understand we don't understand
they do not understand they don't understand
you do not understand you don't understand
Preterite
I understood I understood
you understood you understood
he/she/it understood he/she/it understood
we understood we understood
they understood they understood
you understood you understood
I did not understand I didn't understand
you did not understand you didn't understand
he/she/it did not understand he/she/it didn't understand
we did not understand we didn't understand
they did not understand they didn't understand
you did not understand you didn't understand
Future
I will understand I'll understand
you will understand you'll understand
he/she/it will understand he/she/it'll understand
we will understand we'll understand
they will understand they'll understand
you will understand you'll understand
I will not understand I won't understand
you will not understand you won't understand
he/she/it will not understand he/she/it won't understand
we will not understand we won't understand
they will not understand they won't understand
you will not understand you won't understand

Perfect

Present
I have understood I've understood
you have understood you've understood
he/she/it has understood he/she/it's understood
we have understood we've understood
they have understood they've understood
you have understood you've understood
I have not understood I haven't understood
you have not understood you haven't understood
he/she/it has not understood he/she/it hasn't understood
we have not understood we haven't understood
they have not understood they haven't understood
you have not understood you haven't understood
Past
I had understood I'd understood
you had understood you'd understood
he/she/it had understood he/she/it'd understood
we had understood we'd understood
they had understood they'd understood
you had understood you'd understood
I had not understood I hadn't understood
you had not understood you hadn't understood
he/she/it had not understood he/she/it hadn't understood
we had not understood we hadn't understood
they had not understood they hadn't understood
you had not understood you hadn't understood
Future
I will have understood I'll have understood
you will have understood you'll have understood
he/she/it will have understood he/she/it'll have understood
we will have understood we'll have understood
they will have understood they'll have understood
you will have understood you'll have understood
I will not have understood I won't have understood
you will not have understood you won't have understood
he/she/it will not have understood he/she/it won't have understood
we will not have understood we won't have understood
they will not have understood they won't have understood
you will not have understood you won't have understood

Continuous

Present
I am understanding I'm understanding
you are understanding you're understanding
he/she/it is understanding he/she/it's understanding
we are understanding we're understanding
they are understanding they're understanding
you are understanding you're understanding
I am not understanding I'm not understanding
you are not understanding you aren't understanding
he/she/it is not understanding he/she/it isn't understanding
we are not understanding we aren't understanding
they are not understanding they aren't understanding
you are not understanding you aren't understanding
Past
I was understanding I was understanding
you were understanding you were understanding
he/she/it was understanding he/she/it was understanding
we were understanding we were understanding
they were understanding they were understanding
you were understanding you were understanding
I was not understanding I wasn't understanding
you were not understanding you weren't understanding
he/she/it was not understanding he/she/it wasn't understanding
we were not understanding we weren't understanding
they were not understanding they weren't understanding
you were not understanding you weren't understanding
Future
I will be understanding I'll be understanding
you will be understanding you'll be understanding
he/she/it will be understanding he/she/it'll be understanding
we will be understanding we'll be understanding
they will be understanding they'll be understanding
you will be understanding you'll be understanding
I will not be understanding I won't be understanding
you will not be understanding you won't be understanding
he/she/it will not be understanding he/she/it won't be understanding
we will not be understanding we won't be understanding
they will not be understanding they won't be understanding
you will not be understanding you won't be understanding

Continuous Perfect

Present
I have been understanding I've been understanding
you have been understanding you've been understanding
he/she/it has been understanding he/she/it's been understanding
we have been understanding we've been understanding
they have been understanding they've been understanding
you have been understanding you've been understanding
I have not been understanding I haven't been understanding
you have not been understanding you haven't been understanding
he/she/it has not been understanding he/she/it hasn't been understanding
we have not been understanding we haven't been understanding
they have not been understanding they haven't been understanding
you have not been understanding you haven't been understanding
Past
I had been understanding I'd been understanding
you had been understanding you'd been understanding
he/she/it had been understanding he/she/it'd been understanding
we had been understanding we'd been understanding
they had been understanding they'd been understanding
you had been understanding you'd been understanding
I had not been understanding I hadn't been understanding
you had not been understanding you hadn't been understanding
he/she/it had not been understanding he/she/it hadn't been understanding
we had not been understanding we hadn't been understanding
they had not been understanding they hadn't been understanding
you had not been understanding you hadn't been understanding
Future
I will have been understanding I'll have been understanding
you will have been understanding you'll have been understanding
he/she/it will have been understanding he/she/it'll have been understanding
we will have been understanding we'll have been understanding
they will have been understanding they'll have been understanding
you will have been understanding you'll have been understanding
I will not have been understanding I won't have been understanding
you will not have been understanding you won't have been understanding
he/she/it will not have been understanding he/she/it won't have been understanding
we will not have been understanding we won't have been understanding
they will not have been understanding they won't have been understanding
you will not have been understanding you won't have been understanding

Conditional

Present
I would understand I would understand
you would understand you would understand
he/she/it would understand he/she/it would understand
we would understand we would understand
they would understand they would understand
you would understand you would understand
I would not understand I wouldn't understand
you would not understand you wouldn't understand
he/she/it would not understand he/she/it wouldn't understand
we would not understand we wouldn't understand
they would not understand they wouldn't understand
you would not understand you wouldn't understand
Perfect
I would have understood I would've understood
you would have understood you would've understood
he/she/it would have understood he/she/it would've understood
we would have understood we would've understood
they would have understood they would've understood
you would have understood you would've understood
I would not have understood I wouldn't have understood
you would not have understood you wouldn't have understood
he/she/it would not have understood he/she/it wouldn't have understood
we would not have understood we wouldn't have understood
they would not have understood they wouldn't have understood
you would not have understood you wouldn't have understood

Imperative

(you) understand (you) understand
(we) let's understand (we) let's understand
(you) understand (you) understand
(you) do not understand (you) don't understand
(we) let's not understand (we) let's not understand
(you) do not understand (you) don't understand

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