English verb conjugation
CAN RESTRENGTHEN

Regular verb: restrengthen - restrengthened - restrengthened

Affirmation

Simple form	V-ing form
I can restrengthen you can restrengthen he can restrengthen we can restrengthen you can restrengthen they can restrengthen	I can be restrengthening you can be restrengthening he can be restrengthening we can be restrengthening you can be restrengthening they can be restrengthening
Perfect	V-ing perfect
I can have restrengthened you can have restrengthened he can have restrengthened we can have restrengthened you can have restrengthened they can have restrengthened	I can have been restrengthening you can have been restrengthening he can have been restrengthening we can have been restrengthening you can have been restrengthening they can have been restrengthening

Negation

Simple form	V-ing form
I can't restrengthen you can't restrengthen he can't restrengthen we can't restrengthen you can't restrengthen they can't restrengthen	I can't be restrengthening you can't be restrengthening he can't be restrengthening we can't be restrengthening you can't be restrengthening they can't be restrengthening
Perfect	V-ing perfect
I can't have restrengthened you can't have restrengthened he can't have restrengthened we can't have restrengthened you can't have restrengthened they can't have restrengthened	I can't have been restrengthening you can't have been restrengthening he can't have been restrengthening we can't have been restrengthening you can't have been restrengthening they can't have been restrengthening

Interrogative form

Simple form	V-ing form
can I restrengthen? can you restrengthen? can he restrengthen? can we restrengthen? can you restrengthen? can they restrengthen?	can I be restrengthening? can you be restrengthening? can he be restrengthening? can we be restrengthening? can you be restrengthening? can they be restrengthening?
Perfect	V-ing perfect
can I have restrengthened? can you have restrengthened? can he have restrengthened? can we have restrengthened? can you have restrengthened? can they have restrengthened?	can I have been restrengthening? can you have been restrengthening? can he have been restrengthening? can we have been restrengthening? can you have been restrengthening? can they have been restrengthening?

Interro-negative form

Simple form	V-ing form
can't I restrengthen? can't you restrengthen? can't he restrengthen? can't we restrengthen? can't you restrengthen? can't they restrengthen?	can't I be restrengthening? can't you be restrengthening? can't he be restrengthening? can't we be restrengthening? can't you be restrengthening? can't they be restrengthening?
Perfect	V-ing perfect
can't I have restrengthened? can't you have restrengthened? can't he have restrengthened? can't we have restrengthened? can't you have restrengthened? can't they have restrengthened?	can't I have been restrengthening? can't you have been restrengthening? can't he have been restrengthening? can't we have been restrengthening? can't you have been restrengthening? can't they have been restrengthening?