I can overstretch you can overstretch he can overstretch we can overstretch you can overstretch they can overstretch
V-ing form
I can be overstretching you can be overstretching he can be overstretching we can be overstretching you can be overstretching they can be overstretching
Perfect
I can have overstretched you can have overstretched he can have overstretched we can have overstretched you can have overstretched they can have overstretched
V-ing perfect
I can have been overstretching you can have been overstretching he can have been overstretching we can have been overstretching you can have been overstretching they can have been overstretching
Negation
Simple form
I can't overstretch you can't overstretch he can't overstretch we can't overstretch you can't overstretch they can't overstretch
V-ing form
I can't be overstretching you can't be overstretching he can't be overstretching we can't be overstretching you can't be overstretching they can't be overstretching
Perfect
I can't have overstretched you can't have overstretched he can't have overstretched we can't have overstretched you can't have overstretched they can't have overstretched
V-ing perfect
I can't have been overstretching you can't have been overstretching he can't have been overstretching we can't have been overstretching you can't have been overstretching they can't have been overstretching
Interrogative form
Simple form
can I overstretch? can you overstretch? can he overstretch? can we overstretch? can you overstretch? can they overstretch?
V-ing form
can I be overstretching? can you be overstretching? can he be overstretching? can we be overstretching? can you be overstretching? can they be overstretching?
Perfect
can I have overstretched? can you have overstretched? can he have overstretched? can we have overstretched? can you have overstretched? can they have overstretched?
V-ing perfect
can I have been overstretching? can you have been overstretching? can he have been overstretching? can we have been overstretching? can you have been overstretching? can they have been overstretching?
Interro-negative form
Simple form
can't I overstretch? can't you overstretch? can't he overstretch? can't we overstretch? can't you overstretch? can't they overstretch?
V-ing form
can't I be overstretching? can't you be overstretching? can't he be overstretching? can't we be overstretching? can't you be overstretching? can't they be overstretching?
Perfect
can't I have overstretched? can't you have overstretched? can't he have overstretched? can't we have overstretched? can't you have overstretched? can't they have overstretched?
V-ing perfect
can't I have been overstretching? can't you have been overstretching? can't he have been overstretching? can't we have been overstretching? can't you have been overstretching? can't they have been overstretching?