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 can't tweet
you can't tweet
she can't tweet
we can't tweet
you can't tweet
they can't tweet 	I can't be tweeting
you can't be tweeting
she can't be tweeting
we can't be tweeting
you can't be tweeting
they can't be tweeting	I can't have tweeted
you can't have tweeted
she can't have tweeted
we can't have tweeted
you can't have tweeted
they can't have tweeted	I can't have been tweeting
you can't have been tweeting
she can't have been tweeting
we can't have been tweeting
you can't have been tweeting
they can't 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't I tweet?
can't you tweet?
can't she tweet?
can't we tweet?
can't you tweet?
can't they tweet? 	can't I be tweeting?
can't you be tweeting?
can't she be tweeting?
can't we be tweeting?
can't you be tweeting?
can't they be tweeting? 	can't I have tweeted?
can't you have tweeted?
can't she have tweeted?
can't we have tweeted?
can't you have tweeted?
can't they have tweeted? 	can't I have been tweeting?
can't you have been tweeting?
can't she have been tweeting?
can't we have been tweeting?
can't you have been tweeting?
can't they have been tweeting?