English verb conjugation
CAN RESPIRE

Regular verb: respire - respired - respired

Affirmation

Simple form	V-ing form
I can respire you can respire he can respire we can respire you can respire they can respire	I can be respiring you can be respiring he can be respiring we can be respiring you can be respiring they can be respiring
Perfect	V-ing perfect
I can have respired you can have respired he can have respired we can have respired you can have respired they can have respired	I can have been respiring you can have been respiring he can have been respiring we can have been respiring you can have been respiring they can have been respiring

Negation

Simple form	V-ing form
I can't respire you can't respire he can't respire we can't respire you can't respire they can't respire	I can't be respiring you can't be respiring he can't be respiring we can't be respiring you can't be respiring they can't be respiring
Perfect	V-ing perfect
I can't have respired you can't have respired he can't have respired we can't have respired you can't have respired they can't have respired	I can't have been respiring you can't have been respiring he can't have been respiring we can't have been respiring you can't have been respiring they can't have been respiring

Interrogative form

Simple form	V-ing form
can I respire? can you respire? can he respire? can we respire? can you respire? can they respire?	can I be respiring? can you be respiring? can he be respiring? can we be respiring? can you be respiring? can they be respiring?
Perfect	V-ing perfect
can I have respired? can you have respired? can he have respired? can we have respired? can you have respired? can they have respired?	can I have been respiring? can you have been respiring? can he have been respiring? can we have been respiring? can you have been respiring? can they have been respiring?

Interro-negative form

Simple form	V-ing form
can't I respire? can't you respire? can't he respire? can't we respire? can't you respire? can't they respire?	can't I be respiring? can't you be respiring? can't he be respiring? can't we be respiring? can't you be respiring? can't they be respiring?
Perfect	V-ing perfect
can't I have respired? can't you have respired? can't he have respired? can't we have respired? can't you have respired? can't they have respired?	can't I have been respiring? can't you have been respiring? can't he have been respiring? can't we have been respiring? can't you have been respiring? can't they have been respiring?