I can prestress you can prestress he can prestress we can prestress you can prestress they can prestress
V-ing form
I can be prestressing you can be prestressing he can be prestressing we can be prestressing you can be prestressing they can be prestressing
Perfect
I can have prestressed you can have prestressed he can have prestressed we can have prestressed you can have prestressed they can have prestressed
V-ing perfect
I can have been prestressing you can have been prestressing he can have been prestressing we can have been prestressing you can have been prestressing they can have been prestressing
Negation
Simple form
I can't prestress you can't prestress he can't prestress we can't prestress you can't prestress they can't prestress
V-ing form
I can't be prestressing you can't be prestressing he can't be prestressing we can't be prestressing you can't be prestressing they can't be prestressing
Perfect
I can't have prestressed you can't have prestressed he can't have prestressed we can't have prestressed you can't have prestressed they can't have prestressed
V-ing perfect
I can't have been prestressing you can't have been prestressing he can't have been prestressing we can't have been prestressing you can't have been prestressing they can't have been prestressing
Interrogative form
Simple form
can I prestress? can you prestress? can he prestress? can we prestress? can you prestress? can they prestress?
V-ing form
can I be prestressing? can you be prestressing? can he be prestressing? can we be prestressing? can you be prestressing? can they be prestressing?
Perfect
can I have prestressed? can you have prestressed? can he have prestressed? can we have prestressed? can you have prestressed? can they have prestressed?
V-ing perfect
can I have been prestressing? can you have been prestressing? can he have been prestressing? can we have been prestressing? can you have been prestressing? can they have been prestressing?
Interro-negative form
Simple form
can't I prestress? can't you prestress? can't he prestress? can't we prestress? can't you prestress? can't they prestress?
V-ing form
can't I be prestressing? can't you be prestressing? can't he be prestressing? can't we be prestressing? can't you be prestressing? can't they be prestressing?
Perfect
can't I have prestressed? can't you have prestressed? can't he have prestressed? can't we have prestressed? can't you have prestressed? can't they have prestressed?
V-ing perfect
can't I have been prestressing? can't you have been prestressing? can't he have been prestressing? can't we have been prestressing? can't you have been prestressing? can't they have been prestressing?