Indicative
Present Indefinite
I exchange letters
you exchange letters
he/she/it exchanges letters
we exchange letters
you exchange letters
they exchange letters
Present Continuous
I am exchanging letters
you are exchanging letters
he/she/it is exchanging letters
we are exchanging letters
you are exchanging letters
they are exchanging letters
Present Perfect
I have exchanged letters
you have exchanged letters
he/she/it has exchanged letters
we have exchanged letters
you have exchanged letters
they have exchanged letters
Present Perfect Continuous
I have been exchanging letters
you have been exchanging letters
he/she/it has been exchanging letters
we have been exchanging letters
you have been exchanging letters
they have been exchanging letters
Past Indefinite
I exchanged letters
you exchanged letters
he/she/it exchanged letters
we exchanged letters
you exchanged letters
they exchanged letters
Past Continuous
I was exchanging letters
you were exchanging letters
he/she/it was exchanging letters
we were exchanging letters
you were exchanging letters
they were exchanging letters
Past Perfect
I had exchanged letters
you had exchanged letters
he/she/it had exchanged letters
we had exchanged letters
you had exchanged letters
they had exchanged letters
Past Perfect Continuous
I had been exchanging letters
you had been exchanging letters
he/she/it had been exchanging letters
we had been exchanging letters
you had been exchanging letters
they had been exchanging letters
Future Indefinite
I will exchange letters
you will exchange letters
he/she/it will exchange letters
we will exchange letters
you will exchange letters
they will exchange letters
Future Continuous
I will be exchanging letters
you will be exchanging letters
he/she/it will be exchanging letters
we will be exchanging letters
you will be exchanging letters
they will be exchanging letters
Future Perfect
I will have exchanged letters
you will have exchanged letters
he/she/it will have exchanged letters
we will have exchanged letters
you will have exchanged letters
they will have exchanged letters
Future Perfect Continuous
I will have been exchanging letters
you will have been exchanging letters
he/she/it will have been exchanging letters
we will have been exchanging letters
you will have been exchanging letters
they will have been exchanging letters
Conditional
Conditional Present
I would exchange letters
you would exchange letters
he/she/it would exchange letters
we would exchange letters
you would exchange letters
they would exchange letters
Conditional Present Continuous
I would be exchanging letters
you would be exchanging letters
he/she/it would be exchanging letters
we would be exchanging letters
you would be exchanging letters
they would be exchanging letters
Conditional Perfect
I would have exchanged letters
you would have exchanged letters
he/she/it would have exchanged letters
we would have exchanged letters
you would have exchanged letters
they would have exchanged letters
Conditional Perfect Continuous
I would have been exchanging letters
you would have been exchanging letters
he/she/it would have been exchanging letters
we would have been exchanging letters
you would have been exchanging letters
they would have been exchanging letters