English verb conjugation

In English, all tenses and aspects of a verb can be derived easily from its theme. In the following example, the verb "see" is conjugated on the basis of its theme "see saw seen".

Basic tenses


Simple present (from present tense)

I see

you see

he/she sees


we see

you see

they see

Simple past

I saw

you saw

he/she saw


we saw

you saw

they saw

Past participle

I have seen

you have seen

he/she has seen


we have seen

you have seen

they have seen

Past perfect (from past participle)

I had seen

you had seen

he/she had seen


we had seen

you had seen

they had seen

Passive voice

The passive voice exists in all tenses and is formed from past participle. For example:

English is spoken all over the world.

Other tenses


Present continuous (from present tense)

I am watching

you are watching

he/she is watching


we are watching

you are watching

they are watching

"Watch" is a regular verb. Its theme is formed simply with the -ed suffix: watch watched watched.

Imperative (from present tense)

Come here!

Simple conditional (from present tense)

Tom could come.

Conditional perfect (from past participle)

Tom would have seen the problem immediately, if he had come.

Future (from present tense)

I will see

you will see

he/she will see


we will see

you will see

they will see