English verb conjugation
CAN COUNT

Regular verb: count - counted - counted

Affirmation

Simple form	V-ing form
I can count you can count he can count we can count you can count they can count	I can be counting you can be counting he can be counting we can be counting you can be counting they can be counting
Perfect	V-ing perfect
I can have counted you can have counted he can have counted we can have counted you can have counted they can have counted	I can have been counting you can have been counting he can have been counting we can have been counting you can have been counting they can have been counting

Negation

Simple form	V-ing form
I can't count you can't count he can't count we can't count you can't count they can't count	I can't be counting you can't be counting he can't be counting we can't be counting you can't be counting they can't be counting
Perfect	V-ing perfect
I can't have counted you can't have counted he can't have counted we can't have counted you can't have counted they can't have counted	I can't have been counting you can't have been counting he can't have been counting we can't have been counting you can't have been counting they can't have been counting

Interrogative form

Simple form	V-ing form
can I count? can you count? can he count? can we count? can you count? can they count?	can I be counting? can you be counting? can he be counting? can we be counting? can you be counting? can they be counting?
Perfect	V-ing perfect
can I have counted? can you have counted? can he have counted? can we have counted? can you have counted? can they have counted?	can I have been counting? can you have been counting? can he have been counting? can we have been counting? can you have been counting? can they have been counting?

Interro-negative form

Simple form	V-ing form
can't I count? can't you count? can't he count? can't we count? can't you count? can't they count?	can't I be counting? can't you be counting? can't he be counting? can't we be counting? can't you be counting? can't they be counting?
Perfect	V-ing perfect
can't I have counted? can't you have counted? can't he have counted? can't we have counted? can't you have counted? can't they have counted?	can't I have been counting? can't you have been counting? can't he have been counting? can't we have been counting? can't you have been counting? can't they have been counting?