could effuse
Regular verb: effuse - effused- effused

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could effuse
you could effuse
he could effuse
we could effuse
you could effuse
they could effuse 	I could be effusing
you could be effusing
he could be effusing
we could be effusing
you could be effusing
they could be effusing	I could have effused
you could have effused
he could have effused
we could have effused
you could have effused
they could have effused	I could have been effusing
you could have been effusing
he could have been effusing
we could have been effusing
you could have been effusing
they could have been effusing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not effuse
you could not effuse
he could not effuse
we could not effuse
you could not effuse
they could not effuse 	I could not be effusing
you could not be effusing
he could not be effusing
we could not be effusing
you could not be effusing
they could not be effusing	I could not have effused
you could not have effused
he could not have effused
we could not have effused
you could not have effused
they could not have effused	I could not have been effusing
you could not have been effusing
he could not have been effusing
we could not have been effusing
you could not have been effusing
they could not have been effusing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I effuse?
could you effuse?
could he effuse?
could we effuse?
could you effuse?
could they effuse? 	could I be effusing?
could you be effusing?
could he be effusing?
could we be effusing?
could you be effusing?
could they be effusing? 	could I have effused?
could you have effused?
could he have effused?
could we have effused?
could you have effused?
could they have effused? 	could I have been effusing?
could you have been effusing?
could he have been effusing?
could we have been effusing?
could you have been effusing?
could they have been effusing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not effuse?
could you not effuse?
could he not effuse?
could we not effuse?
could you not effuse?
could they not effuse? 	could I not be effusing?
could you not be effusing?
could he not be effusing?
could we not be effusing?
could you not be effusing?
could they not be effusing? 	could I not have effused?
could you not have effused?
could he not have effused?
could we not have effused?
could you not have effused?
could they not have effused? 	could I not have been effusing?
could you not have been effusing?
could he not have been effusing?
could we not have been effusing?
could you not have been effusing?
could they not have been effusing?