can tweet
Regular verb: tweet - tweeted- tweeted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can tweet
you can tweet
she can tweet
we can tweet
you can tweet
they can tweet 	I can be tweeting
you can be tweeting
she can be tweeting
we can be tweeting
you can be tweeting
they can be tweeting	I can have tweeted
you can have tweeted
she can have tweeted
we can have tweeted
you can have tweeted
they can have tweeted	I can have been tweeting
you can have been tweeting
she can have been tweeting
we can have been tweeting
you can have been tweeting
they can have been tweeting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot tweet
you cannot tweet
she cannot tweet
we cannot tweet
you cannot tweet
they cannot tweet 	I cannot be tweeting
you cannot be tweeting
she cannot be tweeting
we cannot be tweeting
you cannot be tweeting
they cannot be tweeting	I cannot have tweeted
you cannot have tweeted
she cannot have tweeted
we cannot have tweeted
you cannot have tweeted
they cannot have tweeted	I cannot have been tweeting
you cannot have been tweeting
she cannot have been tweeting
we cannot have been tweeting
you cannot have been tweeting
they cannot have been tweeting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I tweet?
can you tweet?
can she tweet?
can we tweet?
can you tweet?
can they tweet? 	can I be tweeting?
can you be tweeting?
can she be tweeting?
can we be tweeting?
can you be tweeting?
can they be tweeting? 	can I have tweeted?
can you have tweeted?
can she have tweeted?
can we have tweeted?
can you have tweeted?
can they have tweeted? 	can I have been tweeting?
can you have been tweeting?
can she have been tweeting?
can we have been tweeting?
can you have been tweeting?
can they have been tweeting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not tweet?
can you not tweet?
can she not tweet?
can we not tweet?
can you not tweet?
can they not tweet? 	can I not be tweeting?
can you not be tweeting?
can she not be tweeting?
can we not be tweeting?
can you not be tweeting?
can they not be tweeting? 	can I not have tweeted?
can you not have tweeted?
can she not have tweeted?
can we not have tweeted?
can you not have tweeted?
can they not have tweeted? 	can I not have been tweeting?
can you not have been tweeting?
can she not have been tweeting?
can we not have been tweeting?
can you not have been tweeting?
can they not have been tweeting?