Conjugação do verbo inglês
COULD COUNTERCHECK

Verbo regular: countercheck - counterchecked - counterchecked

Afirmação

Forma simple	Forma com V-ing
I could countercheck you could countercheck she could countercheck we could countercheck you could countercheck they could countercheck	I could be counterchecking you could be counterchecking she could be counterchecking we could be counterchecking you could be counterchecking they could be counterchecking
Perfeito	Perfeito com V-ing
I could have counterchecked you could have counterchecked she could have counterchecked we could have counterchecked you could have counterchecked they could have counterchecked	I could have been counterchecking you could have been counterchecking she could have been counterchecking we could have been counterchecking you could have been counterchecking they could have been counterchecking

Negação

Forma simple	Forma com V-ing
I could not countercheck you could not countercheck she could not countercheck we could not countercheck you could not countercheck they could not countercheck	I could not be counterchecking you could not be counterchecking she could not be counterchecking we could not be counterchecking you could not be counterchecking they could not be counterchecking
Perfeito	Perfeito com V-ing
I could not have counterchecked you could not have counterchecked she could not have counterchecked we could not have counterchecked you could not have counterchecked they could not have counterchecked	I could not have been counterchecking you could not have been counterchecking she could not have been counterchecking we could not have been counterchecking you could not have been counterchecking they could not have been counterchecking

Forma interrogativa

Forma simple	Forma com V-ing
could I countercheck? could you countercheck? could she countercheck? could we countercheck? could you countercheck? could they countercheck?	could I be counterchecking? could you be counterchecking? could she be counterchecking? could we be counterchecking? could you be counterchecking? could they be counterchecking?
Perfeito	Perfeito com V-ing
could I have counterchecked? could you have counterchecked? could she have counterchecked? could we have counterchecked? could you have counterchecked? could they have counterchecked?	could I have been counterchecking? could you have been counterchecking? could she have been counterchecking? could we have been counterchecking? could you have been counterchecking? could they have been counterchecking?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not countercheck? could you not countercheck? could she not countercheck? could we not countercheck? could you not countercheck? could they not countercheck?	could I not be counterchecking? could you not be counterchecking? could she not be counterchecking? could we not be counterchecking? could you not be counterchecking? could they not be counterchecking?
Perfeito	Perfeito com V-ing
could I not have counterchecked? could you not have counterchecked? could she not have counterchecked? could we not have counterchecked? could you not have counterchecked? could they not have counterchecked?	could I not have been counterchecking? could you not have been counterchecking? could she not have been counterchecking? could we not have been counterchecking? could you not have been counterchecking? could they not have been counterchecking?