English verb conjugation
COULD APPREHEND

Regular verb: apprehend - apprehended - apprehended

Affirmation

Simple form	V-ing form
I could apprehend you could apprehend he could apprehend we could apprehend you could apprehend they could apprehend	I could be apprehending you could be apprehending he could be apprehending we could be apprehending you could be apprehending they could be apprehending
Perfect	V-ing perfect
I could have apprehended you could have apprehended he could have apprehended we could have apprehended you could have apprehended they could have apprehended	I could have been apprehending you could have been apprehending he could have been apprehending we could have been apprehending you could have been apprehending they could have been apprehending

Negation

Simple form	V-ing form
I could not apprehend you could not apprehend he could not apprehend we could not apprehend you could not apprehend they could not apprehend	I could not be apprehending you could not be apprehending he could not be apprehending we could not be apprehending you could not be apprehending they could not be apprehending
Perfect	V-ing perfect
I could not have apprehended you could not have apprehended he could not have apprehended we could not have apprehended you could not have apprehended they could not have apprehended	I could not have been apprehending you could not have been apprehending he could not have been apprehending we could not have been apprehending you could not have been apprehending they could not have been apprehending

Interrogative form

Simple form	V-ing form
could I apprehend? could you apprehend? could he apprehend? could we apprehend? could you apprehend? could they apprehend?	could I be apprehending? could you be apprehending? could he be apprehending? could we be apprehending? could you be apprehending? could they be apprehending?
Perfect	V-ing perfect
could I have apprehended? could you have apprehended? could he have apprehended? could we have apprehended? could you have apprehended? could they have apprehended?	could I have been apprehending? could you have been apprehending? could he have been apprehending? could we have been apprehending? could you have been apprehending? could they have been apprehending?

Interro-negative form

Simple form	V-ing form
could I not apprehend? could you not apprehend? could he not apprehend? could we not apprehend? could you not apprehend? could they not apprehend?	could I not be apprehending? could you not be apprehending? could he not be apprehending? could we not be apprehending? could you not be apprehending? could they not be apprehending?
Perfect	V-ing perfect
could I not have apprehended? could you not have apprehended? could he not have apprehended? could we not have apprehended? could you not have apprehended? could they not have apprehended?	could I not have been apprehending? could you not have been apprehending? could he not have been apprehending? could we not have been apprehending? could you not have been apprehending? could they not have been apprehending?