could transfuse
Regular verb: transfuse - transfused- transfused

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could transfuse
you could transfuse
she could transfuse
we could transfuse
you could transfuse
they could transfuse 	I could be transfusing
you could be transfusing
she could be transfusing
we could be transfusing
you could be transfusing
they could be transfusing	I could have transfused
you could have transfused
she could have transfused
we could have transfused
you could have transfused
they could have transfused	I could have been transfusing
you could have been transfusing
she could have been transfusing
we could have been transfusing
you could have been transfusing
they could have been transfusing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't transfuse
you couldn't transfuse
she couldn't transfuse
we couldn't transfuse
you couldn't transfuse
they couldn't transfuse 	I couldn't be transfusing
you couldn't be transfusing
she couldn't be transfusing
we couldn't be transfusing
you couldn't be transfusing
they couldn't be transfusing	I couldn't have transfused
you couldn't have transfused
she couldn't have transfused
we couldn't have transfused
you couldn't have transfused
they couldn't have transfused	I couldn't have been transfusing
you couldn't have been transfusing
she couldn't have been transfusing
we couldn't have been transfusing
you couldn't have been transfusing
they couldn't have been transfusing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I transfuse?
could you transfuse?
could she transfuse?
could we transfuse?
could you transfuse?
could they transfuse? 	could I be transfusing?
could you be transfusing?
could she be transfusing?
could we be transfusing?
could you be transfusing?
could they be transfusing? 	could I have transfused?
could you have transfused?
could she have transfused?
could we have transfused?
could you have transfused?
could they have transfused? 	could I have been transfusing?
could you have been transfusing?
could she have been transfusing?
could we have been transfusing?
could you have been transfusing?
could they have been transfusing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I transfuse?
couldn't you transfuse?
couldn't she transfuse?
couldn't we transfuse?
couldn't you transfuse?
couldn't they transfuse? 	couldn't I be transfusing?
couldn't you be transfusing?
couldn't she be transfusing?
couldn't we be transfusing?
couldn't you be transfusing?
couldn't they be transfusing? 	couldn't I have transfused?
couldn't you have transfused?
couldn't she have transfused?
couldn't we have transfused?
couldn't you have transfused?
couldn't they have transfused? 	couldn't I have been transfusing?
couldn't you have been transfusing?
couldn't she have been transfusing?
couldn't we have been transfusing?
couldn't you have been transfusing?
couldn't they have been transfusing?