English verb conjugation
CAN SUBMIT

Regular verb: submit - submitted - submitted

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?