could interfuse
Verbo regular: interfuse - interfused- interfused

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could interfuse
you could interfuse
she could interfuse
we could interfuse
you could interfuse
they could interfuse 	I could be interfusing
you could be interfusing
she could be interfusing
we could be interfusing
you could be interfusing
they could be interfusing	I could have interfused
you could have interfused
she could have interfused
we could have interfused
you could have interfused
they could have interfused	I could have been interfusing
you could have been interfusing
she could have been interfusing
we could have been interfusing
you could have been interfusing
they could have been interfusing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't interfuse
you couldn't interfuse
she couldn't interfuse
we couldn't interfuse
you couldn't interfuse
they couldn't interfuse 	I couldn't be interfusing
you couldn't be interfusing
she couldn't be interfusing
we couldn't be interfusing
you couldn't be interfusing
they couldn't be interfusing	I couldn't have interfused
you couldn't have interfused
she couldn't have interfused
we couldn't have interfused
you couldn't have interfused
they couldn't have interfused	I couldn't have been interfusing
you couldn't have been interfusing
she couldn't have been interfusing
we couldn't have been interfusing
you couldn't have been interfusing
they couldn't have been interfusing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I interfuse?
could you interfuse?
could she interfuse?
could we interfuse?
could you interfuse?
could they interfuse? 	could I be interfusing?
could you be interfusing?
could she be interfusing?
could we be interfusing?
could you be interfusing?
could they be interfusing? 	could I have interfused?
could you have interfused?
could she have interfused?
could we have interfused?
could you have interfused?
could they have interfused? 	could I have been interfusing?
could you have been interfusing?
could she have been interfusing?
could we have been interfusing?
could you have been interfusing?
could they have been interfusing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I interfuse?
couldn't you interfuse?
couldn't she interfuse?
couldn't we interfuse?
couldn't you interfuse?
couldn't they interfuse? 	couldn't I be interfusing?
couldn't you be interfusing?
couldn't she be interfusing?
couldn't we be interfusing?
couldn't you be interfusing?
couldn't they be interfusing? 	couldn't I have interfused?
couldn't you have interfused?
couldn't she have interfused?
couldn't we have interfused?
couldn't you have interfused?
couldn't they have interfused? 	couldn't I have been interfusing?
couldn't you have been interfusing?
couldn't she have been interfusing?
couldn't we have been interfusing?
couldn't you have been interfusing?
couldn't they have been interfusing?