Грамматическая таблица для: ­ maintain

Indicative

Simple present
I maintain
you maintain
he/she/it maintains
we maintain
you maintain
they maintain

Present progressive
I am maintaining
you are maintaining
he/she/it is maintaining
we are maintaining
you are maintaining
they are maintaining

Simple past
I maintained
you maintained
he/she/it maintained
we maintained
you maintained
they maintained

Past progressive
I was maintaining
you were maintaining
he/she/it was maintaining
we were maintaining
you were maintaining
they were maintaining

Present perfect
I have maintained
you have maintained
he/she/it has maintained
we have maintained
you have maintained
they have maintained

Present perfect progressive
I have been maintaining
you have been maintaining
he/she/it has been maintaining
we have been maintaining
you have been maintaining
they habe been maintaining

Past perfect
I had maintained
you had maintained
he/she/it had maintained
we had maintained
you had maintained
they had maintained

Past perfect progressive
I had been maintaining
you had been maintaining
he/she/it had been maintaining
we had been maintaining
you had been maintaining
they had been maintaining

Future (will)
I will maintain
you will maintain
he/she/it will maintain
we will maintain
you will maintain
they will maintain

Future (be going to)
I am going to maintain
you are going to maintain
he/she/it is going to maintain
we are going to maintain
you are going to maintain
they are going to maintain

Future progressive (will)
I will be maintaining
you will be maintaining
he/she/it will be maintaining
we will be maintaining
you will be maintaining
they will be maintaining

Future progressive (be going to)
I am going to be maintaining
you are going to be maintaining
he/she/it is going to be maintaining
we are going to be maintaining
you are going to be maintaining
they are going to be maintaining

Future perfect
I will have maintained
you will have maintained
he/she/it will have maintained
we will have maintained
you will have maintained
they will have maintained

Future perfect progressive
I will have been maintaining
you will have been maintaining
he/she/it will have been maintaining
we will have been maintaining
you will have been maintaining
they will have been maintaining

Subjunctive

Present
I maintain
you maintain
he/she/it maintain
we maintain
you maintain
they maintain

Past
I maintained
you maintained
he/she/it maintained
we maintained
you maintained
they maintained

Conditional

Simple
I would maintain
you would maintain
he/she/it would maintain
we would maintain
you would maintain
they would maintain

Progressive
I would be maintaining
you would be maintaining
he/she/it would be maintaining
we would be maintaining
you would be maintaining
they would be maintaining

Perfect
I would have maintained
you would have maintained
he/she/it would have maintained
we would have maintained
you would have maintained
they would have maintained

Perfect progressive
I would have been maintaining
you would have been maintaining
he/she/it would have been maintaining
we would have been maintaining
you would habe been maintaining
they would have been maintaining

Imperative

Present
maintain (you)
let's maintain (we)
maintain (you)

Impersonal

Present participle
maintaining

Past tense
maintained

Past participle
maintained