English verb conjugation
CAN STRESS

Regular verb: stress - stressed - stressed

Affirmation

Simple form	V-ing form
I can stress you can stress he can stress we can stress you can stress they can stress	I can be stressing you can be stressing he can be stressing we can be stressing you can be stressing they can be stressing
Perfect	V-ing perfect
I can have stressed you can have stressed he can have stressed we can have stressed you can have stressed they can have stressed	I can have been stressing you can have been stressing he can have been stressing we can have been stressing you can have been stressing they can have been stressing

Negation

Simple form	V-ing form
I can't stress you can't stress he can't stress we can't stress you can't stress they can't stress	I can't be stressing you can't be stressing he can't be stressing we can't be stressing you can't be stressing they can't be stressing
Perfect	V-ing perfect
I can't have stressed you can't have stressed he can't have stressed we can't have stressed you can't have stressed they can't have stressed	I can't have been stressing you can't have been stressing he can't have been stressing we can't have been stressing you can't have been stressing they can't have been stressing

Interrogative form

Simple form	V-ing form
can I stress? can you stress? can he stress? can we stress? can you stress? can they stress?	can I be stressing? can you be stressing? can he be stressing? can we be stressing? can you be stressing? can they be stressing?
Perfect	V-ing perfect
can I have stressed? can you have stressed? can he have stressed? can we have stressed? can you have stressed? can they have stressed?	can I have been stressing? can you have been stressing? can he have been stressing? can we have been stressing? can you have been stressing? can they have been stressing?

Interro-negative form

Simple form	V-ing form
can't I stress? can't you stress? can't he stress? can't we stress? can't you stress? can't they stress?	can't I be stressing? can't you be stressing? can't he be stressing? can't we be stressing? can't you be stressing? can't they be stressing?
Perfect	V-ing perfect
can't I have stressed? can't you have stressed? can't he have stressed? can't we have stressed? can't you have stressed? can't they have stressed?	can't I have been stressing? can't you have been stressing? can't he have been stressing? can't we have been stressing? can't you have been stressing? can't they have been stressing?