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 can't jump
you can't jump
she can't jump
we can't jump
you can't jump
they can't jump 	I can't be jumping
you can't be jumping
she can't be jumping
we can't be jumping
you can't be jumping
they can't be jumping	I can't have jumped
you can't have jumped
she can't have jumped
we can't have jumped
you can't have jumped
they can't have jumped	I can't have been jumping
you can't have been jumping
she can't have been jumping
we can't have been jumping
you can't have been jumping
they can't 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't I jump?
can't you jump?
can't she jump?
can't we jump?
can't you jump?
can't they jump? 	can't I be jumping?
can't you be jumping?
can't she be jumping?
can't we be jumping?
can't you be jumping?
can't they be jumping? 	can't I have jumped?
can't you have jumped?
can't she have jumped?
can't we have jumped?
can't you have jumped?
can't they have jumped? 	can't I have been jumping?
can't you have been jumping?
can't she have been jumping?
can't we have been jumping?
can't you have been jumping?
can't they have been jumping?