should fuse
Regular verb: fuse - fused- fused

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should fuse
you should fuse
he should fuse
we should fuse
you should fuse
they should fuse 	I should be fusing
you should be fusing
he should be fusing
we should be fusing
you should be fusing
they should be fusing	I should have fused
you should have fused
he should have fused
we should have fused
you should have fused
they should have fused	I should have been fusing
you should have been fusing
he should have been fusing
we should have been fusing
you should have been fusing
they should have been fusing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not fuse
you should not fuse
he should not fuse
we should not fuse
you should not fuse
they should not fuse 	I should not be fusing
you should not be fusing
he should not be fusing
we should not be fusing
you should not be fusing
they should not be fusing	I should not have fused
you should not have fused
he should not have fused
we should not have fused
you should not have fused
they should not have fused	I should not have been fusing
you should not have been fusing
he should not have been fusing
we should not have been fusing
you should not have been fusing
they should not have been fusing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I fuse?
should you fuse?
should he fuse?
should we fuse?
should you fuse?
should they fuse? 	should I be fusing?
should you be fusing?
should he be fusing?
should we be fusing?
should you be fusing?
should they be fusing? 	should I have fused?
should you have fused?
should he have fused?
should we have fused?
should you have fused?
should they have fused? 	should I have been fusing?
should you have been fusing?
should he have been fusing?
should we have been fusing?
should you have been fusing?
should they have been fusing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not fuse?
should you not fuse?
should he not fuse?
should we not fuse?
should you not fuse?
should they not fuse? 	should I not be fusing?
should you not be fusing?
should he not be fusing?
should we not be fusing?
should you not be fusing?
should they not be fusing? 	should I not have fused?
should you not have fused?
should he not have fused?
should we not have fused?
should you not have fused?
should they not have fused? 	should I not have been fusing?
should you not have been fusing?
should he not have been fusing?
should we not have been fusing?
should you not have been fusing?
should they not have been fusing?