can fuse
Regular verb: fuse - fused- fused

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

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

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

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