English verb conjugation
CAN RESPIRE

Regular verb: respire - respired - respired

Affirmation

Simple form	V-ing form
I can respire you can respire she can respire we can respire you can respire they can respire	I can be respiring you can be respiring she 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 she 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 she 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 she 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 she 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 she 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 she 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 she respire? can we respire? can you respire? can they respire?	can I be respiring? can you be respiring? can she 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 she 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 she 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 she 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 she 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 she 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 she have been respiring? can't we have been respiring? can't you have been respiring? can't they have been respiring?