Indicative
Present Indefinite
I clam up
you clam up
he/she/it clams up
we clam up
you clam up
they clam up
Present Continuous
I am clamming up
you are clamming up
he/she/it is clamming up
we are clamming up
you are clamming up
they are clamming up
Present Perfect
I have clammed up
you have clammed up
he/she/it has clammed up
we have clammed up
you have clammed up
they have clammed up
Present Perfect Continuous
I have been clamming up
you have been clamming up
he/she/it has been clamming up
we have been clamming up
you have been clamming up
they have been clamming up
Past Indefinite
I clammed up
you clammed up
he/she/it clammed up
we clammed up
you clammed up
they clammed up
Past Continuous
I was clamming up
you were clamming up
he/she/it was clamming up
we were clamming up
you were clamming up
they were clamming up
Past Perfect
I had clammed up
you had clammed up
he/she/it had clammed up
we had clammed up
you had clammed up
they had clammed up
Past Perfect Continuous
I had been clamming up
you had been clamming up
he/she/it had been clamming up
we had been clamming up
you had been clamming up
they had been clamming up
Future Indefinite
I will clam up
you will clam up
he/she/it will clam up
we will clam up
you will clam up
they will clam up
Future Continuous
I will be clamming up
you will be clamming up
he/she/it will be clamming up
we will be clamming up
you will be clamming up
they will be clamming up
Future Perfect
I will have clammed up
you will have clammed up
he/she/it will have clammed up
we will have clammed up
you will have clammed up
they will have clammed up
Future Perfect Continuous
I will have been clamming up
you will have been clamming up
he/she/it will have been clamming up
we will have been clamming up
you will have been clamming up
they will have been clamming up
Conditional
Conditional Present
I would clam up
you would clam up
he/she/it would clam up
we would clam up
you would clam up
they would clam up
Conditional Present Continuous
I would be clamming up
you would be clamming up
he/she/it would be clamming up
we would be clamming up
you would be clamming up
they would be clamming up
Conditional Perfect
I would have clammed up
you would have clammed up
he/she/it would have clammed up
we would have clammed up
you would have clammed up
they would have clammed up
Conditional Perfect Continuous
I would have been clamming up
you would have been clamming up
he/she/it would have been clamming up
we would have been clamming up
you would have been clamming up
they would have been clamming up