Indicative
Present Indefinite
I keep a check on
you keep a check on
he/she/it keeps a check on
we keep a check on
you keep a check on
they keep a check on
Present Continuous
I am keeping a check on
you are keeping a check on
he/she/it is keeping a check on
we are keeping a check on
you are keeping a check on
they are keeping a check on
Present Perfect
I have kept a check on
you have kept a check on
he/she/it has kept a check on
we have kept a check on
you have kept a check on
they have kept a check on
Present Perfect Continuous
I have been keeping a check on
you have been keeping a check on
he/she/it has been keeping a check on
we have been keeping a check on
you have been keeping a check on
they have been keeping a check on
Past Indefinite
I kept a check on
you kept a check on
he/she/it kept a check on
we kept a check on
you kept a check on
they kept a check on
Past Continuous
I was keeping a check on
you were keeping a check on
he/she/it was keeping a check on
we were keeping a check on
you were keeping a check on
they were keeping a check on
Past Perfect
I had kept a check on
you had kept a check on
he/she/it had kept a check on
we had kept a check on
you had kept a check on
they had kept a check on
Past Perfect Continuous
I had been keeping a check on
you had been keeping a check on
he/she/it had been keeping a check on
we had been keeping a check on
you had been keeping a check on
they had been keeping a check on
Future Indefinite
I will keep a check on
you will keep a check on
he/she/it will keep a check on
we will keep a check on
you will keep a check on
they will keep a check on
Future Continuous
I will be keeping a check on
you will be keeping a check on
he/she/it will be keeping a check on
we will be keeping a check on
you will be keeping a check on
they will be keeping a check on
Future Perfect
I will have kept a check on
you will have kept a check on
he/she/it will have kept a check on
we will have kept a check on
you will have kept a check on
they will have kept a check on
Future Perfect Continuous
I will have been keeping a check on
you will have been keeping a check on
he/she/it will have been keeping a check on
we will have been keeping a check on
you will have been keeping a check on
they will have been keeping a check on
Conditional
Conditional Present
I would keep a check on
you would keep a check on
he/she/it would keep a check on
we would keep a check on
you would keep a check on
they would keep a check on
Conditional Present Continuous
I would be keeping a check on
you would be keeping a check on
he/she/it would be keeping a check on
we would be keeping a check on
you would be keeping a check on
they would be keeping a check on
Conditional Perfect
I would have kept a check on
you would have kept a check on
he/she/it would have kept a check on
we would have kept a check on
you would have kept a check on
they would have kept a check on
Conditional Perfect Continuous
I would have been keeping a check on
you would have been keeping a check on
he/she/it would have been keeping a check on
we would have been keeping a check on
you would have been keeping a check on
they would have been keeping a check on