can oppose
Regular verb: oppose - opposed- opposed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can oppose
you can oppose
he can oppose
we can oppose
you can oppose
they can oppose 	I can be opposing
you can be opposing
he can be opposing
we can be opposing
you can be opposing
they can be opposing	I can have opposed
you can have opposed
he can have opposed
we can have opposed
you can have opposed
they can have opposed	I can have been opposing
you can have been opposing
he can have been opposing
we can have been opposing
you can have been opposing
they can have been opposing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot oppose
you cannot oppose
he cannot oppose
we cannot oppose
you cannot oppose
they cannot oppose 	I cannot be opposing
you cannot be opposing
he cannot be opposing
we cannot be opposing
you cannot be opposing
they cannot be opposing	I cannot have opposed
you cannot have opposed
he cannot have opposed
we cannot have opposed
you cannot have opposed
they cannot have opposed	I cannot have been opposing
you cannot have been opposing
he cannot have been opposing
we cannot have been opposing
you cannot have been opposing
they cannot have been opposing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I oppose?
can you oppose?
can he oppose?
can we oppose?
can you oppose?
can they oppose? 	can I be opposing?
can you be opposing?
can he be opposing?
can we be opposing?
can you be opposing?
can they be opposing? 	can I have opposed?
can you have opposed?
can he have opposed?
can we have opposed?
can you have opposed?
can they have opposed? 	can I have been opposing?
can you have been opposing?
can he have been opposing?
can we have been opposing?
can you have been opposing?
can they have been opposing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not oppose?
can you not oppose?
can he not oppose?
can we not oppose?
can you not oppose?
can they not oppose? 	can I not be opposing?
can you not be opposing?
can he not be opposing?
can we not be opposing?
can you not be opposing?
can they not be opposing? 	can I not have opposed?
can you not have opposed?
can he not have opposed?
can we not have opposed?
can you not have opposed?
can they not have opposed? 	can I not have been opposing?
can you not have been opposing?
can he not have been opposing?
can we not have been opposing?
can you not have been opposing?
can they not have been opposing?