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 cannot pitch you cannot pitch he cannot pitch we cannot pitch you cannot pitch they cannot pitch	I cannot be pitching you cannot be pitching he cannot be pitching we cannot be pitching you cannot be pitching they cannot be pitching
Perfect	V-ing perfect
I cannot have pitched you cannot have pitched he cannot have pitched we cannot have pitched you cannot have pitched they cannot have pitched	I cannot have been pitching you cannot have been pitching he cannot have been pitching we cannot have been pitching you cannot have been pitching they cannot 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 I not pitch? can you not pitch? can he not pitch? can we not pitch? can you not pitch? can they not pitch?	can I not be pitching? can you not be pitching? can he not be pitching? can we not be pitching? can you not be pitching? can they not be pitching?
Perfect	V-ing perfect
can I not have pitched? can you not have pitched? can he not have pitched? can we not have pitched? can you not have pitched? can they not have pitched?	can I not have been pitching? can you not have been pitching? can he not have been pitching? can we not have been pitching? can you not have been pitching? can they not have been pitching?