can push
Regular verb: push - pushed- pushed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can push
you can push
he can push
we can push
you can push
they can push 	I can be pushing
you can be pushing
he can be pushing
we can be pushing
you can be pushing
they can be pushing	I can have pushed
you can have pushed
he can have pushed
we can have pushed
you can have pushed
they can have pushed	I can have been pushing
you can have been pushing
he can have been pushing
we can have been pushing
you can have been pushing
they can have been pushing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot push
you cannot push
he cannot push
we cannot push
you cannot push
they cannot push 	I cannot be pushing
you cannot be pushing
he cannot be pushing
we cannot be pushing
you cannot be pushing
they cannot be pushing	I cannot have pushed
you cannot have pushed
he cannot have pushed
we cannot have pushed
you cannot have pushed
they cannot have pushed	I cannot have been pushing
you cannot have been pushing
he cannot have been pushing
we cannot have been pushing
you cannot have been pushing
they cannot have been pushing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I push?
can you push?
can he push?
can we push?
can you push?
can they push? 	can I be pushing?
can you be pushing?
can he be pushing?
can we be pushing?
can you be pushing?
can they be pushing? 	can I have pushed?
can you have pushed?
can he have pushed?
can we have pushed?
can you have pushed?
can they have pushed? 	can I have been pushing?
can you have been pushing?
can he have been pushing?
can we have been pushing?
can you have been pushing?
can they have been pushing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not push?
can you not push?
can he not push?
can we not push?
can you not push?
can they not push? 	can I not be pushing?
can you not be pushing?
can he not be pushing?
can we not be pushing?
can you not be pushing?
can they not be pushing? 	can I not have pushed?
can you not have pushed?
can he not have pushed?
can we not have pushed?
can you not have pushed?
can they not have pushed? 	can I not have been pushing?
can you not have been pushing?
can he not have been pushing?
can we not have been pushing?
can you not have been pushing?
can they not have been pushing?