English verb conjugation
CAN PROGRESS

Regular verb: progress - progressed - progressed

Affirmation

Simple form	V-ing form
I can progress you can progress he can progress we can progress you can progress they can progress	I can be progressing you can be progressing he can be progressing we can be progressing you can be progressing they can be progressing
Perfect	V-ing perfect
I can have progressed you can have progressed he can have progressed we can have progressed you can have progressed they can have progressed	I can have been progressing you can have been progressing he can have been progressing we can have been progressing you can have been progressing they can have been progressing

Negation

Simple form	V-ing form
I can't progress you can't progress he can't progress we can't progress you can't progress they can't progress	I can't be progressing you can't be progressing he can't be progressing we can't be progressing you can't be progressing they can't be progressing
Perfect	V-ing perfect
I can't have progressed you can't have progressed he can't have progressed we can't have progressed you can't have progressed they can't have progressed	I can't have been progressing you can't have been progressing he can't have been progressing we can't have been progressing you can't have been progressing they can't have been progressing

Interrogative form

Simple form	V-ing form
can I progress? can you progress? can he progress? can we progress? can you progress? can they progress?	can I be progressing? can you be progressing? can he be progressing? can we be progressing? can you be progressing? can they be progressing?
Perfect	V-ing perfect
can I have progressed? can you have progressed? can he have progressed? can we have progressed? can you have progressed? can they have progressed?	can I have been progressing? can you have been progressing? can he have been progressing? can we have been progressing? can you have been progressing? can they have been progressing?

Interro-negative form

Simple form	V-ing form
can't I progress? can't you progress? can't he progress? can't we progress? can't you progress? can't they progress?	can't I be progressing? can't you be progressing? can't he be progressing? can't we be progressing? can't you be progressing? can't they be progressing?
Perfect	V-ing perfect
can't I have progressed? can't you have progressed? can't he have progressed? can't we have progressed? can't you have progressed? can't they have progressed?	can't I have been progressing? can't you have been progressing? can't he have been progressing? can't we have been progressing? can't you have been progressing? can't they have been progressing?