English verb conjugation
COULD TWEET

Regular verb: tweet - tweeted - tweeted

Affirmation

Simple form	V-ing form
I could tweet you could tweet he could tweet we could tweet you could tweet they could tweet	I could be tweeting you could be tweeting he could be tweeting we could be tweeting you could be tweeting they could be tweeting
Perfect	V-ing perfect
I could have tweeted you could have tweeted he could have tweeted we could have tweeted you could have tweeted they could have tweeted	I could have been tweeting you could have been tweeting he could have been tweeting we could have been tweeting you could have been tweeting they could have been tweeting

Negation

Simple form	V-ing form
I could not tweet you could not tweet he could not tweet we could not tweet you could not tweet they could not tweet	I could not be tweeting you could not be tweeting he could not be tweeting we could not be tweeting you could not be tweeting they could not be tweeting
Perfect	V-ing perfect
I could not have tweeted you could not have tweeted he could not have tweeted we could not have tweeted you could not have tweeted they could not have tweeted	I could not have been tweeting you could not have been tweeting he could not have been tweeting we could not have been tweeting you could not have been tweeting they could not have been tweeting

Interrogative form

Simple form	V-ing form
could I tweet? could you tweet? could he tweet? could we tweet? could you tweet? could they tweet?	could I be tweeting? could you be tweeting? could he be tweeting? could we be tweeting? could you be tweeting? could they be tweeting?
Perfect	V-ing perfect
could I have tweeted? could you have tweeted? could he have tweeted? could we have tweeted? could you have tweeted? could they have tweeted?	could I have been tweeting? could you have been tweeting? could he have been tweeting? could we have been tweeting? could you have been tweeting? could they have been tweeting?

Interro-negative form

Simple form	V-ing form
could I not tweet? could you not tweet? could he not tweet? could we not tweet? could you not tweet? could they not tweet?	could I not be tweeting? could you not be tweeting? could he not be tweeting? could we not be tweeting? could you not be tweeting? could they not be tweeting?
Perfect	V-ing perfect
could I not have tweeted? could you not have tweeted? could he not have tweeted? could we not have tweeted? could you not have tweeted? could they not have tweeted?	could I not have been tweeting? could you not have been tweeting? could he not have been tweeting? could we not have been tweeting? could you not have been tweeting? could they not have been tweeting?