can crease
Regular verb: crease - creased- creased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can crease
you can crease
he can crease
we can crease
you can crease
they can crease 	I can be creasing
you can be creasing
he can be creasing
we can be creasing
you can be creasing
they can be creasing	I can have creased
you can have creased
he can have creased
we can have creased
you can have creased
they can have creased	I can have been creasing
you can have been creasing
he can have been creasing
we can have been creasing
you can have been creasing
they can have been creasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot crease
you cannot crease
he cannot crease
we cannot crease
you cannot crease
they cannot crease 	I cannot be creasing
you cannot be creasing
he cannot be creasing
we cannot be creasing
you cannot be creasing
they cannot be creasing	I cannot have creased
you cannot have creased
he cannot have creased
we cannot have creased
you cannot have creased
they cannot have creased	I cannot have been creasing
you cannot have been creasing
he cannot have been creasing
we cannot have been creasing
you cannot have been creasing
they cannot have been creasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I crease?
can you crease?
can he crease?
can we crease?
can you crease?
can they crease? 	can I be creasing?
can you be creasing?
can he be creasing?
can we be creasing?
can you be creasing?
can they be creasing? 	can I have creased?
can you have creased?
can he have creased?
can we have creased?
can you have creased?
can they have creased? 	can I have been creasing?
can you have been creasing?
can he have been creasing?
can we have been creasing?
can you have been creasing?
can they have been creasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not crease?
can you not crease?
can he not crease?
can we not crease?
can you not crease?
can they not crease? 	can I not be creasing?
can you not be creasing?
can he not be creasing?
can we not be creasing?
can you not be creasing?
can they not be creasing? 	can I not have creased?
can you not have creased?
can he not have creased?
can we not have creased?
can you not have creased?
can they not have creased? 	can I not have been creasing?
can you not have been creasing?
can he not have been creasing?
can we not have been creasing?
can you not have been creasing?
can they not have been creasing?