English verb conjugation
COULD ARRIVE

Regular verb: arrive - arrived - arrived

Affirmation

Simple form	V-ing form
I could arrive you could arrive he could arrive we could arrive you could arrive they could arrive	I could be arriving you could be arriving he could be arriving we could be arriving you could be arriving they could be arriving
Perfect	V-ing perfect
I could have arrived you could have arrived he could have arrived we could have arrived you could have arrived they could have arrived	I could have been arriving you could have been arriving he could have been arriving we could have been arriving you could have been arriving they could have been arriving

Negation

Simple form	V-ing form
I could not arrive you could not arrive he could not arrive we could not arrive you could not arrive they could not arrive	I could not be arriving you could not be arriving he could not be arriving we could not be arriving you could not be arriving they could not be arriving
Perfect	V-ing perfect
I could not have arrived you could not have arrived he could not have arrived we could not have arrived you could not have arrived they could not have arrived	I could not have been arriving you could not have been arriving he could not have been arriving we could not have been arriving you could not have been arriving they could not have been arriving

Interrogative form

Simple form	V-ing form
could I arrive? could you arrive? could he arrive? could we arrive? could you arrive? could they arrive?	could I be arriving? could you be arriving? could he be arriving? could we be arriving? could you be arriving? could they be arriving?
Perfect	V-ing perfect
could I have arrived? could you have arrived? could he have arrived? could we have arrived? could you have arrived? could they have arrived?	could I have been arriving? could you have been arriving? could he have been arriving? could we have been arriving? could you have been arriving? could they have been arriving?

Interro-negative form

Simple form	V-ing form
could I not arrive? could you not arrive? could he not arrive? could we not arrive? could you not arrive? could they not arrive?	could I not be arriving? could you not be arriving? could he not be arriving? could we not be arriving? could you not be arriving? could they not be arriving?
Perfect	V-ing perfect
could I not have arrived? could you not have arrived? could he not have arrived? could we not have arrived? could you not have arrived? could they not have arrived?	could I not have been arriving? could you not have been arriving? could he not have been arriving? could we not have been arriving? could you not have been arriving? could they not have been arriving?