Грамматическая таблица для: ­ concern

Indicative

Simple present
I concern
you concern
he/she/it concerns
we concern
you concern
they concern

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

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

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

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

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

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

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

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

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

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

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

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

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

Subjunctive

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

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

Conditional

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

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

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

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

Imperative

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

Impersonal

Present participle
concerning

Past tense
concerned

Past participle
concerned