English verb conjugation
CAN COURSE

Regular verb: course - coursed - coursed

Affirmation

Simple form	V-ing form
I can course you can course he can course we can course you can course they can course	I can be coursing you can be coursing he can be coursing we can be coursing you can be coursing they can be coursing
Perfect	V-ing perfect
I can have coursed you can have coursed he can have coursed we can have coursed you can have coursed they can have coursed	I can have been coursing you can have been coursing he can have been coursing we can have been coursing you can have been coursing they can have been coursing

Negation

Simple form	V-ing form
I can't course you can't course he can't course we can't course you can't course they can't course	I can't be coursing you can't be coursing he can't be coursing we can't be coursing you can't be coursing they can't be coursing
Perfect	V-ing perfect
I can't have coursed you can't have coursed he can't have coursed we can't have coursed you can't have coursed they can't have coursed	I can't have been coursing you can't have been coursing he can't have been coursing we can't have been coursing you can't have been coursing they can't have been coursing

Interrogative form

Simple form	V-ing form
can I course? can you course? can he course? can we course? can you course? can they course?	can I be coursing? can you be coursing? can he be coursing? can we be coursing? can you be coursing? can they be coursing?
Perfect	V-ing perfect
can I have coursed? can you have coursed? can he have coursed? can we have coursed? can you have coursed? can they have coursed?	can I have been coursing? can you have been coursing? can he have been coursing? can we have been coursing? can you have been coursing? can they have been coursing?

Interro-negative form

Simple form	V-ing form
can't I course? can't you course? can't he course? can't we course? can't you course? can't they course?	can't I be coursing? can't you be coursing? can't he be coursing? can't we be coursing? can't you be coursing? can't they be coursing?
Perfect	V-ing perfect
can't I have coursed? can't you have coursed? can't he have coursed? can't we have coursed? can't you have coursed? can't they have coursed?	can't I have been coursing? can't you have been coursing? can't he have been coursing? can't we have been coursing? can't you have been coursing? can't they have been coursing?