English verb conjugation
CAN COURSE

Regular verb: course - coursed - coursed

Affirmation

Simple form	V-ing form
I can course you can course she can course we can course you can course they can course	I can be coursing you can be coursing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she course? can we course? can you course? can they course?	can I be coursing? can you be coursing? can she 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 she 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 she 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 she 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 she 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 she 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 she have been coursing? can't we have been coursing? can't you have been coursing? can't they have been coursing?