can grip
Regular verb: grip - gripped- gripped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can grip
you can grip
she can grip
we can grip
you can grip
they can grip 	I can be gripping
you can be gripping
she can be gripping
we can be gripping
you can be gripping
they can be gripping	I can have gripped
you can have gripped
she can have gripped
we can have gripped
you can have gripped
they can have gripped	I can have been gripping
you can have been gripping
she can have been gripping
we can have been gripping
you can have been gripping
they can have been gripping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot grip
you cannot grip
she cannot grip
we cannot grip
you cannot grip
they cannot grip 	I cannot be gripping
you cannot be gripping
she cannot be gripping
we cannot be gripping
you cannot be gripping
they cannot be gripping	I cannot have gripped
you cannot have gripped
she cannot have gripped
we cannot have gripped
you cannot have gripped
they cannot have gripped	I cannot have been gripping
you cannot have been gripping
she cannot have been gripping
we cannot have been gripping
you cannot have been gripping
they cannot have been gripping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I grip?
can you grip?
can she grip?
can we grip?
can you grip?
can they grip? 	can I be gripping?
can you be gripping?
can she be gripping?
can we be gripping?
can you be gripping?
can they be gripping? 	can I have gripped?
can you have gripped?
can she have gripped?
can we have gripped?
can you have gripped?
can they have gripped? 	can I have been gripping?
can you have been gripping?
can she have been gripping?
can we have been gripping?
can you have been gripping?
can they have been gripping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not grip?
can you not grip?
can she not grip?
can we not grip?
can you not grip?
can they not grip? 	can I not be gripping?
can you not be gripping?
can she not be gripping?
can we not be gripping?
can you not be gripping?
can they not be gripping? 	can I not have gripped?
can you not have gripped?
can she not have gripped?
can we not have gripped?
can you not have gripped?
can they not have gripped? 	can I not have been gripping?
can you not have been gripping?
can she not have been gripping?
can we not have been gripping?
can you not have been gripping?
can they not have been gripping?