could circumfuse
Regular verb: circumfuse - circumfused- circumfused

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could circumfuse
you could circumfuse
he could circumfuse
we could circumfuse
you could circumfuse
they could circumfuse 	I could be circumfusing
you could be circumfusing
he could be circumfusing
we could be circumfusing
you could be circumfusing
they could be circumfusing	I could have circumfused
you could have circumfused
he could have circumfused
we could have circumfused
you could have circumfused
they could have circumfused	I could have been circumfusing
you could have been circumfusing
he could have been circumfusing
we could have been circumfusing
you could have been circumfusing
they could have been circumfusing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't circumfuse
you couldn't circumfuse
he couldn't circumfuse
we couldn't circumfuse
you couldn't circumfuse
they couldn't circumfuse 	I couldn't be circumfusing
you couldn't be circumfusing
he couldn't be circumfusing
we couldn't be circumfusing
you couldn't be circumfusing
they couldn't be circumfusing	I couldn't have circumfused
you couldn't have circumfused
he couldn't have circumfused
we couldn't have circumfused
you couldn't have circumfused
they couldn't have circumfused	I couldn't have been circumfusing
you couldn't have been circumfusing
he couldn't have been circumfusing
we couldn't have been circumfusing
you couldn't have been circumfusing
they couldn't have been circumfusing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I circumfuse?
could you circumfuse?
could he circumfuse?
could we circumfuse?
could you circumfuse?
could they circumfuse? 	could I be circumfusing?
could you be circumfusing?
could he be circumfusing?
could we be circumfusing?
could you be circumfusing?
could they be circumfusing? 	could I have circumfused?
could you have circumfused?
could he have circumfused?
could we have circumfused?
could you have circumfused?
could they have circumfused? 	could I have been circumfusing?
could you have been circumfusing?
could he have been circumfusing?
could we have been circumfusing?
could you have been circumfusing?
could they have been circumfusing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I circumfuse?
couldn't you circumfuse?
couldn't he circumfuse?
couldn't we circumfuse?
couldn't you circumfuse?
couldn't they circumfuse? 	couldn't I be circumfusing?
couldn't you be circumfusing?
couldn't he be circumfusing?
couldn't we be circumfusing?
couldn't you be circumfusing?
couldn't they be circumfusing? 	couldn't I have circumfused?
couldn't you have circumfused?
couldn't he have circumfused?
couldn't we have circumfused?
couldn't you have circumfused?
couldn't they have circumfused? 	couldn't I have been circumfusing?
couldn't you have been circumfusing?
couldn't he have been circumfusing?
couldn't we have been circumfusing?
couldn't you have been circumfusing?
couldn't they have been circumfusing?