can jump
Regular verb: jump - jumped- jumped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can jump
you can jump
she can jump
we can jump
you can jump
they can jump 	I can be jumping
you can be jumping
she can be jumping
we can be jumping
you can be jumping
they can be jumping	I can have jumped
you can have jumped
she can have jumped
we can have jumped
you can have jumped
they can have jumped	I can have been jumping
you can have been jumping
she can have been jumping
we can have been jumping
you can have been jumping
they can have been jumping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot jump
you cannot jump
she cannot jump
we cannot jump
you cannot jump
they cannot jump 	I cannot be jumping
you cannot be jumping
she cannot be jumping
we cannot be jumping
you cannot be jumping
they cannot be jumping	I cannot have jumped
you cannot have jumped
she cannot have jumped
we cannot have jumped
you cannot have jumped
they cannot have jumped	I cannot have been jumping
you cannot have been jumping
she cannot have been jumping
we cannot have been jumping
you cannot have been jumping
they cannot have been jumping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I jump?
can you jump?
can she jump?
can we jump?
can you jump?
can they jump? 	can I be jumping?
can you be jumping?
can she be jumping?
can we be jumping?
can you be jumping?
can they be jumping? 	can I have jumped?
can you have jumped?
can she have jumped?
can we have jumped?
can you have jumped?
can they have jumped? 	can I have been jumping?
can you have been jumping?
can she have been jumping?
can we have been jumping?
can you have been jumping?
can they have been jumping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not jump?
can you not jump?
can she not jump?
can we not jump?
can you not jump?
can they not jump? 	can I not be jumping?
can you not be jumping?
can she not be jumping?
can we not be jumping?
can you not be jumping?
can they not be jumping? 	can I not have jumped?
can you not have jumped?
can she not have jumped?
can we not have jumped?
can you not have jumped?
can they not have jumped? 	can I not have been jumping?
can you not have been jumping?
can she not have been jumping?
can we not have been jumping?
can you not have been jumping?
can they not have been jumping?