can respire
Regular verb: respire - respired- respired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?