can deflate
Regular verb: deflate - deflated- deflated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can deflate
you can deflate
she can deflate
we can deflate
you can deflate
they can deflate 	I can be deflating
you can be deflating
she can be deflating
we can be deflating
you can be deflating
they can be deflating	I can have deflated
you can have deflated
she can have deflated
we can have deflated
you can have deflated
they can have deflated	I can have been deflating
you can have been deflating
she can have been deflating
we can have been deflating
you can have been deflating
they can have been deflating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot deflate
you cannot deflate
she cannot deflate
we cannot deflate
you cannot deflate
they cannot deflate 	I cannot be deflating
you cannot be deflating
she cannot be deflating
we cannot be deflating
you cannot be deflating
they cannot be deflating	I cannot have deflated
you cannot have deflated
she cannot have deflated
we cannot have deflated
you cannot have deflated
they cannot have deflated	I cannot have been deflating
you cannot have been deflating
she cannot have been deflating
we cannot have been deflating
you cannot have been deflating
they cannot have been deflating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I deflate?
can you deflate?
can she deflate?
can we deflate?
can you deflate?
can they deflate? 	can I be deflating?
can you be deflating?
can she be deflating?
can we be deflating?
can you be deflating?
can they be deflating? 	can I have deflated?
can you have deflated?
can she have deflated?
can we have deflated?
can you have deflated?
can they have deflated? 	can I have been deflating?
can you have been deflating?
can she have been deflating?
can we have been deflating?
can you have been deflating?
can they have been deflating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not deflate?
can you not deflate?
can she not deflate?
can we not deflate?
can you not deflate?
can they not deflate? 	can I not be deflating?
can you not be deflating?
can she not be deflating?
can we not be deflating?
can you not be deflating?
can they not be deflating? 	can I not have deflated?
can you not have deflated?
can she not have deflated?
can we not have deflated?
can you not have deflated?
can they not have deflated? 	can I not have been deflating?
can you not have been deflating?
can she not have been deflating?
can we not have been deflating?
can you not have been deflating?
can they not have been deflating?