can crepitate
Regular verb: crepitate - crepitated- crepitated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can crepitate
you can crepitate
he can crepitate
we can crepitate
you can crepitate
they can crepitate 	I can be crepitating
you can be crepitating
he can be crepitating
we can be crepitating
you can be crepitating
they can be crepitating	I can have crepitated
you can have crepitated
he can have crepitated
we can have crepitated
you can have crepitated
they can have crepitated	I can have been crepitating
you can have been crepitating
he can have been crepitating
we can have been crepitating
you can have been crepitating
they can have been crepitating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot crepitate
you cannot crepitate
he cannot crepitate
we cannot crepitate
you cannot crepitate
they cannot crepitate 	I cannot be crepitating
you cannot be crepitating
he cannot be crepitating
we cannot be crepitating
you cannot be crepitating
they cannot be crepitating	I cannot have crepitated
you cannot have crepitated
he cannot have crepitated
we cannot have crepitated
you cannot have crepitated
they cannot have crepitated	I cannot have been crepitating
you cannot have been crepitating
he cannot have been crepitating
we cannot have been crepitating
you cannot have been crepitating
they cannot have been crepitating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I crepitate?
can you crepitate?
can he crepitate?
can we crepitate?
can you crepitate?
can they crepitate? 	can I be crepitating?
can you be crepitating?
can he be crepitating?
can we be crepitating?
can you be crepitating?
can they be crepitating? 	can I have crepitated?
can you have crepitated?
can he have crepitated?
can we have crepitated?
can you have crepitated?
can they have crepitated? 	can I have been crepitating?
can you have been crepitating?
can he have been crepitating?
can we have been crepitating?
can you have been crepitating?
can they have been crepitating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not crepitate?
can you not crepitate?
can he not crepitate?
can we not crepitate?
can you not crepitate?
can they not crepitate? 	can I not be crepitating?
can you not be crepitating?
can he not be crepitating?
can we not be crepitating?
can you not be crepitating?
can they not be crepitating? 	can I not have crepitated?
can you not have crepitated?
can he not have crepitated?
can we not have crepitated?
can you not have crepitated?
can they not have crepitated? 	can I not have been crepitating?
can you not have been crepitating?
can he not have been crepitating?
can we not have been crepitating?
can you not have been crepitating?
can they not have been crepitating?