English verb conjugation
COULD IMPEND

Regular verb: impend - impended - impended

Affirmation

Simple form	V-ing form
I could impend you could impend he could impend we could impend you could impend they could impend	I could be impending you could be impending he could be impending we could be impending you could be impending they could be impending
Perfect	V-ing perfect
I could have impended you could have impended he could have impended we could have impended you could have impended they could have impended	I could have been impending you could have been impending he could have been impending we could have been impending you could have been impending they could have been impending

Negation

Simple form	V-ing form
I couldn't impend you couldn't impend he couldn't impend we couldn't impend you couldn't impend they couldn't impend	I couldn't be impending you couldn't be impending he couldn't be impending we couldn't be impending you couldn't be impending they couldn't be impending
Perfect	V-ing perfect
I couldn't have impended you couldn't have impended he couldn't have impended we couldn't have impended you couldn't have impended they couldn't have impended	I couldn't have been impending you couldn't have been impending he couldn't have been impending we couldn't have been impending you couldn't have been impending they couldn't have been impending

Interrogative form

Simple form	V-ing form
could I impend? could you impend? could he impend? could we impend? could you impend? could they impend?	could I be impending? could you be impending? could he be impending? could we be impending? could you be impending? could they be impending?
Perfect	V-ing perfect
could I have impended? could you have impended? could he have impended? could we have impended? could you have impended? could they have impended?	could I have been impending? could you have been impending? could he have been impending? could we have been impending? could you have been impending? could they have been impending?

Interro-negative form

Simple form	V-ing form
couldn't I impend? couldn't you impend? couldn't he impend? couldn't we impend? couldn't you impend? couldn't they impend?	couldn't I be impending? couldn't you be impending? couldn't he be impending? couldn't we be impending? couldn't you be impending? couldn't they be impending?
Perfect	V-ing perfect
couldn't I have impended? couldn't you have impended? couldn't he have impended? couldn't we have impended? couldn't you have impended? couldn't they have impended?	couldn't I have been impending? couldn't you have been impending? couldn't he have been impending? couldn't we have been impending? couldn't you have been impending? couldn't they have been impending?