English verb conjugation
CAN PITCH

Regular verb: pitch - pitched - pitched

Affirmation

Simple form	V-ing form
I can pitch you can pitch he can pitch we can pitch you can pitch they can pitch	I can be pitching you can be pitching he can be pitching we can be pitching you can be pitching they can be pitching
Perfect	V-ing perfect
I can have pitched you can have pitched he can have pitched we can have pitched you can have pitched they can have pitched	I can have been pitching you can have been pitching he can have been pitching we can have been pitching you can have been pitching they can have been pitching

Negation

Simple form	V-ing form
I can't pitch you can't pitch he can't pitch we can't pitch you can't pitch they can't pitch	I can't be pitching you can't be pitching he can't be pitching we can't be pitching you can't be pitching they can't be pitching
Perfect	V-ing perfect
I can't have pitched you can't have pitched he can't have pitched we can't have pitched you can't have pitched they can't have pitched	I can't have been pitching you can't have been pitching he can't have been pitching we can't have been pitching you can't have been pitching they can't have been pitching

Interrogative form

Simple form	V-ing form
can I pitch? can you pitch? can he pitch? can we pitch? can you pitch? can they pitch?	can I be pitching? can you be pitching? can he be pitching? can we be pitching? can you be pitching? can they be pitching?
Perfect	V-ing perfect
can I have pitched? can you have pitched? can he have pitched? can we have pitched? can you have pitched? can they have pitched?	can I have been pitching? can you have been pitching? can he have been pitching? can we have been pitching? can you have been pitching? can they have been pitching?

Interro-negative form

Simple form	V-ing form
can't I pitch? can't you pitch? can't he pitch? can't we pitch? can't you pitch? can't they pitch?	can't I be pitching? can't you be pitching? can't he be pitching? can't we be pitching? can't you be pitching? can't they be pitching?
Perfect	V-ing perfect
can't I have pitched? can't you have pitched? can't he have pitched? can't we have pitched? can't you have pitched? can't they have pitched?	can't I have been pitching? can't you have been pitching? can't he have been pitching? can't we have been pitching? can't you have been pitching? can't they have been pitching?