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 couldn't tweet you couldn't tweet he couldn't tweet we couldn't tweet you couldn't tweet they couldn't tweet	I couldn't be tweeting you couldn't be tweeting he couldn't be tweeting we couldn't be tweeting you couldn't be tweeting they couldn't be tweeting
Perfect	V-ing perfect
I couldn't have tweeted you couldn't have tweeted he couldn't have tweeted we couldn't have tweeted you couldn't have tweeted they couldn't have tweeted	I couldn't have been tweeting you couldn't have been tweeting he couldn't have been tweeting we couldn't have been tweeting you couldn't have been tweeting they couldn't 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
couldn't I tweet? couldn't you tweet? couldn't he tweet? couldn't we tweet? couldn't you tweet? couldn't they tweet?	couldn't I be tweeting? couldn't you be tweeting? couldn't he be tweeting? couldn't we be tweeting? couldn't you be tweeting? couldn't they be tweeting?
Perfect	V-ing perfect
couldn't I have tweeted? couldn't you have tweeted? couldn't he have tweeted? couldn't we have tweeted? couldn't you have tweeted? couldn't they have tweeted?	couldn't I have been tweeting? couldn't you have been tweeting? couldn't he have been tweeting? couldn't we have been tweeting? couldn't you have been tweeting? couldn't they have been tweeting?