Present
I tremble
you tremble
he trembles
we tremble
you tremble
they tremble

Perfect
I have trembled
you have trembled
he has trembled
we have trembled
you have trembled
they have trembled

Past
I trembled
you trembled
he trembled
we trembled
you trembled
they trembled

Pluperfect
I had trembled
you had trembled
he had trembled
we had trembled
you had trembled
they had trembled

Future
I will tremble
you will tremble
he will tremble
we will tremble
you will tremble
they will tremble

Future perfect
I will have trembled
you will have trembled
he will have trembled
we will have trembled
you will have trembled
they will have trembled

Present
I tremble
you tremble
he tremble
we tremble
you tremble
they tremble

Present
I have trembled
you have trembled
he have trembled
we have trembled
you have trembled
they have trembled

Imperfect
I trembled
you trembled
he trembled
we trembled
you trembled
they trembled

Pluperfect
I had trembled
you had trembled
he had trembled
we had trembled
you had trembled
they had trembled

Present
I would tremble
you would tremble
he would tremble
we would tremble
you would tremble
they would tremble

Perfect
I would have trembled
you would have trembled
he would have trembled
we would have trembled
you would have trembled
they would have trembled

you tremble
we Let's tremble
you tremble

Present
I am trembling
you are trembling
he is trembling
we are trembling
you are trembling
they are trembling

Perfect
I have been trembling
you have been trembling
he has been trembling
we have been trembling
you have been trembling
they have been trembling

Past
I was trembling
you were trembling
he was trembling
we were trembling
you were trembling
they were trembling

Pluperfect
I had been trembling
you had been trembling
he had been trembling
we had been trembling
you had been trembling
they had been trembling

Future
I will be trembling
you will be trembling
he will be trembling
we will be trembling
you will be trembling
they will be trembling

Future perfect
I will have been trembling
you will have been trembling
he will have been trembling
we will have been trembling
you will have been trembling
they will have been trembling

Present
I would be trembling
you would be trembling
he would be trembling
we would be trembling
you would be trembling
they would be trembling

Perfect
I would have been trembling
you would have been trembling
he would have been trembling
we would have been trembling
you would have been trembling
they would have been trembling