I could betake you could betake she could betake we could betake you could betake they could betake
V-ing form
I could be betaking you could be betaking she could be betaking we could be betaking you could be betaking they could be betaking
Perfect
I could have betaken you could have betaken she could have betaken we could have betaken you could have betaken they could have betaken
V-ing perfect
I could have been betaking you could have been betaking she could have been betaking we could have been betaking you could have been betaking they could have been betaking
Negation
Simple form
I could not betake you could not betake she could not betake we could not betake you could not betake they could not betake
V-ing form
I could not be betaking you could not be betaking she could not be betaking we could not be betaking you could not be betaking they could not be betaking
Perfect
I could not have betaken you could not have betaken she could not have betaken we could not have betaken you could not have betaken they could not have betaken
V-ing perfect
I could not have been betaking you could not have been betaking she could not have been betaking we could not have been betaking you could not have been betaking they could not have been betaking
Interrogative form
Simple form
could I betake? could you betake? could she betake? could we betake? could you betake? could they betake?
V-ing form
could I be betaking? could you be betaking? could she be betaking? could we be betaking? could you be betaking? could they be betaking?
Perfect
could I have betaken? could you have betaken? could she have betaken? could we have betaken? could you have betaken? could they have betaken?
V-ing perfect
could I have been betaking? could you have been betaking? could she have been betaking? could we have been betaking? could you have been betaking? could they have been betaking?
Interro-negative form
Simple form
could I not betake? could you not betake? could she not betake? could we not betake? could you not betake? could they not betake?
V-ing form
could I not be betaking? could you not be betaking? could she not be betaking? could we not be betaking? could you not be betaking? could they not be betaking?
Perfect
could I not have betaken? could you not have betaken? could she not have betaken? could we not have betaken? could you not have betaken? could they not have betaken?
V-ing perfect
could I not have been betaking? could you not have been betaking? could she not have been betaking? could we not have been betaking? could you not have been betaking? could they not have been betaking?