I can hesitate you can hesitate he can hesitate we can hesitate you can hesitate they can hesitate
V-ing form
I can be hesitating you can be hesitating he can be hesitating we can be hesitating you can be hesitating they can be hesitating
Perfect
I can have hesitated you can have hesitated he can have hesitated we can have hesitated you can have hesitated they can have hesitated
V-ing perfect
I can have been hesitating you can have been hesitating he can have been hesitating we can have been hesitating you can have been hesitating they can have been hesitating
Negation
Simple form
I can't hesitate you can't hesitate he can't hesitate we can't hesitate you can't hesitate they can't hesitate
V-ing form
I can't be hesitating you can't be hesitating he can't be hesitating we can't be hesitating you can't be hesitating they can't be hesitating
Perfect
I can't have hesitated you can't have hesitated he can't have hesitated we can't have hesitated you can't have hesitated they can't have hesitated
V-ing perfect
I can't have been hesitating you can't have been hesitating he can't have been hesitating we can't have been hesitating you can't have been hesitating they can't have been hesitating
Interrogative form
Simple form
can I hesitate? can you hesitate? can he hesitate? can we hesitate? can you hesitate? can they hesitate?
V-ing form
can I be hesitating? can you be hesitating? can he be hesitating? can we be hesitating? can you be hesitating? can they be hesitating?
Perfect
can I have hesitated? can you have hesitated? can he have hesitated? can we have hesitated? can you have hesitated? can they have hesitated?
V-ing perfect
can I have been hesitating? can you have been hesitating? can he have been hesitating? can we have been hesitating? can you have been hesitating? can they have been hesitating?
Interro-negative form
Simple form
can't I hesitate? can't you hesitate? can't he hesitate? can't we hesitate? can't you hesitate? can't they hesitate?
V-ing form
can't I be hesitating? can't you be hesitating? can't he be hesitating? can't we be hesitating? can't you be hesitating? can't they be hesitating?
Perfect
can't I have hesitated? can't you have hesitated? can't he have hesitated? can't we have hesitated? can't you have hesitated? can't they have hesitated?
V-ing perfect
can't I have been hesitating? can't you have been hesitating? can't he have been hesitating? can't we have been hesitating? can't you have been hesitating? can't they have been hesitating?