English verb conjugation
CAN ASCEND

Regular verb: ascend - ascended - ascended

Affirmation

Simple form	V-ing form
I can ascend you can ascend he can ascend we can ascend you can ascend they can ascend	I can be ascending you can be ascending he can be ascending we can be ascending you can be ascending they can be ascending
Perfect	V-ing perfect
I can have ascended you can have ascended he can have ascended we can have ascended you can have ascended they can have ascended	I can have been ascending you can have been ascending he can have been ascending we can have been ascending you can have been ascending they can have been ascending

Negation

Simple form	V-ing form
I can't ascend you can't ascend he can't ascend we can't ascend you can't ascend they can't ascend	I can't be ascending you can't be ascending he can't be ascending we can't be ascending you can't be ascending they can't be ascending
Perfect	V-ing perfect
I can't have ascended you can't have ascended he can't have ascended we can't have ascended you can't have ascended they can't have ascended	I can't have been ascending you can't have been ascending he can't have been ascending we can't have been ascending you can't have been ascending they can't have been ascending

Interrogative form

Simple form	V-ing form
can I ascend? can you ascend? can he ascend? can we ascend? can you ascend? can they ascend?	can I be ascending? can you be ascending? can he be ascending? can we be ascending? can you be ascending? can they be ascending?
Perfect	V-ing perfect
can I have ascended? can you have ascended? can he have ascended? can we have ascended? can you have ascended? can they have ascended?	can I have been ascending? can you have been ascending? can he have been ascending? can we have been ascending? can you have been ascending? can they have been ascending?

Interro-negative form

Simple form	V-ing form
can't I ascend? can't you ascend? can't he ascend? can't we ascend? can't you ascend? can't they ascend?	can't I be ascending? can't you be ascending? can't he be ascending? can't we be ascending? can't you be ascending? can't they be ascending?
Perfect	V-ing perfect
can't I have ascended? can't you have ascended? can't he have ascended? can't we have ascended? can't you have ascended? can't they have ascended?	can't I have been ascending? can't you have been ascending? can't he have been ascending? can't we have been ascending? can't you have been ascending? can't they have been ascending?