English verb conjugation
CAN KVETCH

Regular verb: kvetch - kvetched - kvetched

Affirmation

Simple form	V-ing form
I can kvetch you can kvetch he can kvetch we can kvetch you can kvetch they can kvetch	I can be kvetching you can be kvetching he can be kvetching we can be kvetching you can be kvetching they can be kvetching
Perfect	V-ing perfect
I can have kvetched you can have kvetched he can have kvetched we can have kvetched you can have kvetched they can have kvetched	I can have been kvetching you can have been kvetching he can have been kvetching we can have been kvetching you can have been kvetching they can have been kvetching

Negation

Simple form	V-ing form
I can't kvetch you can't kvetch he can't kvetch we can't kvetch you can't kvetch they can't kvetch	I can't be kvetching you can't be kvetching he can't be kvetching we can't be kvetching you can't be kvetching they can't be kvetching
Perfect	V-ing perfect
I can't have kvetched you can't have kvetched he can't have kvetched we can't have kvetched you can't have kvetched they can't have kvetched	I can't have been kvetching you can't have been kvetching he can't have been kvetching we can't have been kvetching you can't have been kvetching they can't have been kvetching

Interrogative form

Simple form	V-ing form
can I kvetch? can you kvetch? can he kvetch? can we kvetch? can you kvetch? can they kvetch?	can I be kvetching? can you be kvetching? can he be kvetching? can we be kvetching? can you be kvetching? can they be kvetching?
Perfect	V-ing perfect
can I have kvetched? can you have kvetched? can he have kvetched? can we have kvetched? can you have kvetched? can they have kvetched?	can I have been kvetching? can you have been kvetching? can he have been kvetching? can we have been kvetching? can you have been kvetching? can they have been kvetching?

Interro-negative form

Simple form	V-ing form
can't I kvetch? can't you kvetch? can't he kvetch? can't we kvetch? can't you kvetch? can't they kvetch?	can't I be kvetching? can't you be kvetching? can't he be kvetching? can't we be kvetching? can't you be kvetching? can't they be kvetching?
Perfect	V-ing perfect
can't I have kvetched? can't you have kvetched? can't he have kvetched? can't we have kvetched? can't you have kvetched? can't they have kvetched?	can't I have been kvetching? can't you have been kvetching? can't he have been kvetching? can't we have been kvetching? can't you have been kvetching? can't they have been kvetching?