sustain: verb conjugation and noun forms

Conjugation of the verb sustain[səsˈteɪn], regular     

not sustain
All forms Indicative Conditional Participles Infinitives

Indicative

Present Indefinite

I sustain
you sustain
he/she/it sustains
we sustain
you sustain
they sustain

Present Continuous

I am sustaining
you are sustaining
he/she/it is sustaining
we are sustaining
you are sustaining
they are sustaining

Present Perfect

I have sustained
you have sustained
he/she/it has sustained
we have sustained
you have sustained
they have sustained

Present Perfect Continuous

I have been sustaining
you have been sustaining
he/she/it has been sustaining
we have been sustaining
you have been sustaining
they have been sustaining

Past Indefinite

I sustained
you sustained
he/she/it sustained
we sustained
you sustained
they sustained

Past Continuous

I was sustaining
you were sustaining
he/she/it was sustaining
we were sustaining
you were sustaining
they were sustaining

Past Perfect

I had sustained
you had sustained
he/she/it had sustained
we had sustained
you had sustained
they had sustained

Past Perfect Continuous

I had been sustaining
you had been sustaining
he/she/it had been sustaining
we had been sustaining
you had been sustaining
they had been sustaining

Future Indefinite

I will sustain
you will sustain
he/she/it will sustain
we will sustain
you will sustain
they will sustain

Future Continuous

I will be sustaining
you will be sustaining
he/she/it will be sustaining
we will be sustaining
you will be sustaining
they will be sustaining

Future Perfect

I will have sustained
you will have sustained
he/she/it will have sustained
we will have sustained
you will have sustained
they will have sustained

Future Perfect Continuous

I will have been sustaining
you will have been sustaining
he/she/it will have been sustaining
we will have been sustaining
you will have been sustaining
they will have been sustaining

Indicative

Present Indefinite

I don't sustain
you don't sustain
he/she/it doesn't sustain
we don't sustain
you don't sustain
they don't sustain

Present Continuous

I am not sustaining
you aren't sustaining
he/she/it isn't sustaining
we aren't sustaining
you aren't sustaining
they aren't sustaining

Present Perfect

I haven't sustained
you haven't sustained
he/she/it hasn't sustained
we haven't sustained
you haven't sustained
they haven't sustained

Present Perfect Continuous

I haven't been sustaining
you haven't been sustaining
he/she/it hasn't been sustaining
we haven't been sustaining
you haven't been sustaining
they haven't been sustaining

Past Indefinite

I didn't sustain
you didn't sustain
he/she/it didn't sustain
we didn't sustain
you didn't sustain
they didn't sustain

Past Continuous

I wasn't sustaining
you weren't sustaining
he/she/it wasn't sustaining
we weren't sustaining
you weren't sustaining
they weren't sustaining

Past Perfect

I hadn't sustained
you hadn't sustained
he/she/it hadn't sustained
we hadn't sustained
you hadn't sustained
they hadn't sustained

Past Perfect Continuous

I hadn't been sustaining
you hadn't been sustaining
he/she/it hadn't been sustaining
we hadn't been sustaining
you hadn't been sustaining
they hadn't been sustaining

Future Indefinite

I shan't / won't sustain
you won't sustain
he/she/it won't sustain
we shan't / won't sustain
you won't sustain
they won't sustain

Future Continuous

I shan't / won't be sustaining
you won't be sustaining
he/she/it won't be sustaining
we shan't / won't be sustaining
you won't be sustaining
they won't be sustaining

Future Perfect

I shan't / won't have sustained
you won't have sustained
he/she/it won't have sustained
we shan't / won't have sustained
you won't have sustained
they won't have sustained

Future Perfect Continuous

I shan't / won't have been sustaining
you won't have been sustaining
he/she/it won't have been sustaining
we shan't / won't have been sustaining
you won't have been sustaining
they won't have been sustaining

Conditional

Conditional Present

I would sustain
you would sustain
he/she/it would sustain
we would sustain
you would sustain
they would sustain

Conditional Present Continuous

I would be sustaining
you would be sustaining
he/she/it would be sustaining
we would be sustaining
you would be sustaining
they would be sustaining

Conditional Perfect

I would have sustained
you would have sustained
he/she/it would have sustained
we would have sustained
you would have sustained
they would have sustained

Conditional Perfect Continuous

I would have been sustaining
you would have been sustaining
he/she/it would have been sustaining
we would have been sustaining
you would have been sustaining
they would have been sustaining

Conditional

Conditional Present

I wouldn't sustain
you wouldn't sustain
he/she/it wouldn't sustain
we wouldn't sustain
you wouldn't sustain
they wouldn't sustain

Conditional Present Continuous

I wouldn't be sustaining
you wouldn't be sustaining
he/she/it wouldn't be sustaining
we wouldn't be sustaining
you wouldn't be sustaining
they wouldn't be sustaining

Conditional Perfect

I wouldn't have sustained
you wouldn't have sustained
he/she/it wouldn't have sustained
we wouldn't have sustained
you wouldn't have sustained
they wouldn't have sustained

Conditional Perfect Continuous

I wouldn't have been sustaining
you wouldn't have been sustaining
he/she/it wouldn't have been sustaining
we wouldn't have been sustaining
you wouldn't have been sustaining
they wouldn't have been sustaining

Participles

Present

sustaining

Past

sustained

Infinitives

Infinitives

to sustain
to have sustained
to be sustaining
to have been sustaining

Singular and plural for sustain[səsˈteɪn]     

Singular
Plural
Singular
Common case
sustain
sustains
Possessive case
sustain's
sustains'
Plural
sustains
sustains'
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