I can surprise you can surprise he can surprise we can surprise you can surprise they can surprise
V-ing form
I can be surprising you can be surprising he can be surprising we can be surprising you can be surprising they can be surprising
Perfect
I can have surprised you can have surprised he can have surprised we can have surprised you can have surprised they can have surprised
V-ing perfect
I can have been surprising you can have been surprising he can have been surprising we can have been surprising you can have been surprising they can have been surprising
Negation
Simple form
I can't surprise you can't surprise he can't surprise we can't surprise you can't surprise they can't surprise
V-ing form
I can't be surprising you can't be surprising he can't be surprising we can't be surprising you can't be surprising they can't be surprising
Perfect
I can't have surprised you can't have surprised he can't have surprised we can't have surprised you can't have surprised they can't have surprised
V-ing perfect
I can't have been surprising you can't have been surprising he can't have been surprising we can't have been surprising you can't have been surprising they can't have been surprising
Interrogative form
Simple form
can I surprise? can you surprise? can he surprise? can we surprise? can you surprise? can they surprise?
V-ing form
can I be surprising? can you be surprising? can he be surprising? can we be surprising? can you be surprising? can they be surprising?
Perfect
can I have surprised? can you have surprised? can he have surprised? can we have surprised? can you have surprised? can they have surprised?
V-ing perfect
can I have been surprising? can you have been surprising? can he have been surprising? can we have been surprising? can you have been surprising? can they have been surprising?
Interro-negative form
Simple form
can't I surprise? can't you surprise? can't he surprise? can't we surprise? can't you surprise? can't they surprise?
V-ing form
can't I be surprising? can't you be surprising? can't he be surprising? can't we be surprising? can't you be surprising? can't they be surprising?
Perfect
can't I have surprised? can't you have surprised? can't he have surprised? can't we have surprised? can't you have surprised? can't they have surprised?
V-ing perfect
can't I have been surprising? can't you have been surprising? can't he have been surprising? can't we have been surprising? can't you have been surprising? can't they have been surprising?