can offer
Regular verb: offer - offered- offered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can offer
you can offer
she can offer
we can offer
you can offer
they can offer 	I can be offering
you can be offering
she can be offering
we can be offering
you can be offering
they can be offering	I can have offered
you can have offered
she can have offered
we can have offered
you can have offered
they can have offered	I can have been offering
you can have been offering
she can have been offering
we can have been offering
you can have been offering
they can have been offering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot offer
you cannot offer
she cannot offer
we cannot offer
you cannot offer
they cannot offer 	I cannot be offering
you cannot be offering
she cannot be offering
we cannot be offering
you cannot be offering
they cannot be offering	I cannot have offered
you cannot have offered
she cannot have offered
we cannot have offered
you cannot have offered
they cannot have offered	I cannot have been offering
you cannot have been offering
she cannot have been offering
we cannot have been offering
you cannot have been offering
they cannot have been offering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I offer?
can you offer?
can she offer?
can we offer?
can you offer?
can they offer? 	can I be offering?
can you be offering?
can she be offering?
can we be offering?
can you be offering?
can they be offering? 	can I have offered?
can you have offered?
can she have offered?
can we have offered?
can you have offered?
can they have offered? 	can I have been offering?
can you have been offering?
can she have been offering?
can we have been offering?
can you have been offering?
can they have been offering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not offer?
can you not offer?
can she not offer?
can we not offer?
can you not offer?
can they not offer? 	can I not be offering?
can you not be offering?
can she not be offering?
can we not be offering?
can you not be offering?
can they not be offering? 	can I not have offered?
can you not have offered?
can she not have offered?
can we not have offered?
can you not have offered?
can they not have offered? 	can I not have been offering?
can you not have been offering?
can she not have been offering?
can we not have been offering?
can you not have been offering?
can they not have been offering?