can submit
Regular verb: submit - submitted- submitted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can submit
you can submit
she can submit
we can submit
you can submit
they can submit 	I can be submitting
you can be submitting
she can be submitting
we can be submitting
you can be submitting
they can be submitting	I can have submitted
you can have submitted
she can have submitted
we can have submitted
you can have submitted
they can have submitted	I can have been submitting
you can have been submitting
she can have been submitting
we can have been submitting
you can have been submitting
they can have been submitting	

Negation 	
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I can't submit
you can't submit
she can't submit
we can't submit
you can't submit
they can't submit 	I can't be submitting
you can't be submitting
she can't be submitting
we can't be submitting
you can't be submitting
they can't be submitting	I can't have submitted
you can't have submitted
she can't have submitted
we can't have submitted
you can't have submitted
they can't have submitted	I can't have been submitting
you can't have been submitting
she can't have been submitting
we can't have been submitting
you can't have been submitting
they can't have been submitting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I submit?
can you submit?
can she submit?
can we submit?
can you submit?
can they submit? 	can I be submitting?
can you be submitting?
can she be submitting?
can we be submitting?
can you be submitting?
can they be submitting? 	can I have submitted?
can you have submitted?
can she have submitted?
can we have submitted?
can you have submitted?
can they have submitted? 	can I have been submitting?
can you have been submitting?
can she have been submitting?
can we have been submitting?
can you have been submitting?
can they have been submitting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I submit?
can't you submit?
can't she submit?
can't we submit?
can't you submit?
can't they submit? 	can't I be submitting?
can't you be submitting?
can't she be submitting?
can't we be submitting?
can't you be submitting?
can't they be submitting? 	can't I have submitted?
can't you have submitted?
can't she have submitted?
can't we have submitted?
can't you have submitted?
can't they have submitted? 	can't I have been submitting?
can't you have been submitting?
can't she have been submitting?
can't we have been submitting?
can't you have been submitting?
can't they have been submitting?