English verb conjugation
CAN GOLF

Regular verb: golf - golfed - golfed

Affirmation

Simple form	V-ing form
I can golf you can golf he can golf we can golf you can golf they can golf	I can be golfing you can be golfing he can be golfing we can be golfing you can be golfing they can be golfing
Perfect	V-ing perfect
I can have golfed you can have golfed he can have golfed we can have golfed you can have golfed they can have golfed	I can have been golfing you can have been golfing he can have been golfing we can have been golfing you can have been golfing they can have been golfing

Negation

Simple form	V-ing form
I cannot golf you cannot golf he cannot golf we cannot golf you cannot golf they cannot golf	I cannot be golfing you cannot be golfing he cannot be golfing we cannot be golfing you cannot be golfing they cannot be golfing
Perfect	V-ing perfect
I cannot have golfed you cannot have golfed he cannot have golfed we cannot have golfed you cannot have golfed they cannot have golfed	I cannot have been golfing you cannot have been golfing he cannot have been golfing we cannot have been golfing you cannot have been golfing they cannot have been golfing

Interrogative form

Simple form	V-ing form
can I golf? can you golf? can he golf? can we golf? can you golf? can they golf?	can I be golfing? can you be golfing? can he be golfing? can we be golfing? can you be golfing? can they be golfing?
Perfect	V-ing perfect
can I have golfed? can you have golfed? can he have golfed? can we have golfed? can you have golfed? can they have golfed?	can I have been golfing? can you have been golfing? can he have been golfing? can we have been golfing? can you have been golfing? can they have been golfing?

Interro-negative form

Simple form	V-ing form
can I not golf? can you not golf? can he not golf? can we not golf? can you not golf? can they not golf?	can I not be golfing? can you not be golfing? can he not be golfing? can we not be golfing? can you not be golfing? can they not be golfing?
Perfect	V-ing perfect
can I not have golfed? can you not have golfed? can he not have golfed? can we not have golfed? can you not have golfed? can they not have golfed?	can I not have been golfing? can you not have been golfing? can he not have been golfing? can we not have been golfing? can you not have been golfing? can they not have been golfing?