Conjugation of the verb sustain in English in all tenses

Here are the conjugation tables for the verb sustain in English.

Conjugation of the verb sustain in the present tenses

Present Tense

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

How to use these conjugation tenses in English? The Present expresses habit, frequency, general truth and state in English. The Present Continuous mainly expresses the idea of an action or activity that is still in progress. The Present Perfect expresses notions that are always related to the present or the consequence of an event. Finally, the Present Perfect Continuous associates with the idea of activity that of duration.

Conjugation of the verb sustain in the past tenses

Simple past

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

How do you use these conjugation tenses in English? The Simple Past expresses completed actions unrelated to the present, dated past actions or habits. It is very often used in English. The Past Continuous (Simple Past + ING) on the other hand is used to talk about ongoing actions in the past or a past action in progress when another action occurs. The Past Perfect is used to indicate that the action took place before another past action. Finally, the Past Perfect Continuous is used to refer to a continuous action in the past that has continued until another past action.

Conjugation of the verb sustain in the futur tenses

Future

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

How do you use these conjugation tenses in English? The Future is used to talk about factual actions in the future. The Future Continuous is used to talk about things that will be happening in the future. The Future Perfect is a conjugation tense not often used in English, this conjugation tense is used to talk about a future factual action prior to another one. Finally the Future Perfect Continuous is very rarely used, this tense is used to talk about a future action in progress and prior to another.

The different forms of the participle in English, for the verb to sustain

Present participle

sustaining

Past participle

sustained

Perfect Participle

having sustained

The imperative in English, for the verb to sustain

Imperative

sustain
let's sustain
sustain

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