I can astound you can astound he can astound we can astound you can astound they can astound
V-ing form
I can be astounding you can be astounding he can be astounding we can be astounding you can be astounding they can be astounding
Perfect
I can have astounded you can have astounded he can have astounded we can have astounded you can have astounded they can have astounded
V-ing perfect
I can have been astounding you can have been astounding he can have been astounding we can have been astounding you can have been astounding they can have been astounding
Negation
Simple form
I can't astound you can't astound he can't astound we can't astound you can't astound they can't astound
V-ing form
I can't be astounding you can't be astounding he can't be astounding we can't be astounding you can't be astounding they can't be astounding
Perfect
I can't have astounded you can't have astounded he can't have astounded we can't have astounded you can't have astounded they can't have astounded
V-ing perfect
I can't have been astounding you can't have been astounding he can't have been astounding we can't have been astounding you can't have been astounding they can't have been astounding
Interrogative form
Simple form
can I astound? can you astound? can he astound? can we astound? can you astound? can they astound?
V-ing form
can I be astounding? can you be astounding? can he be astounding? can we be astounding? can you be astounding? can they be astounding?
Perfect
can I have astounded? can you have astounded? can he have astounded? can we have astounded? can you have astounded? can they have astounded?
V-ing perfect
can I have been astounding? can you have been astounding? can he have been astounding? can we have been astounding? can you have been astounding? can they have been astounding?
Interro-negative form
Simple form
can't I astound? can't you astound? can't he astound? can't we astound? can't you astound? can't they astound?
V-ing form
can't I be astounding? can't you be astounding? can't he be astounding? can't we be astounding? can't you be astounding? can't they be astounding?
Perfect
can't I have astounded? can't you have astounded? can't he have astounded? can't we have astounded? can't you have astounded? can't they have astounded?
V-ing perfect
can't I have been astounding? can't you have been astounding? can't he have been astounding? can't we have been astounding? can't you have been astounding? can't they have been astounding?