can boom
Regular verb: boom - boomed- boomed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can boom
you can boom
she can boom
we can boom
you can boom
they can boom 	I can be booming
you can be booming
she can be booming
we can be booming
you can be booming
they can be booming	I can have boomed
you can have boomed
she can have boomed
we can have boomed
you can have boomed
they can have boomed	I can have been booming
you can have been booming
she can have been booming
we can have been booming
you can have been booming
they can have been booming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot boom
you cannot boom
she cannot boom
we cannot boom
you cannot boom
they cannot boom 	I cannot be booming
you cannot be booming
she cannot be booming
we cannot be booming
you cannot be booming
they cannot be booming	I cannot have boomed
you cannot have boomed
she cannot have boomed
we cannot have boomed
you cannot have boomed
they cannot have boomed	I cannot have been booming
you cannot have been booming
she cannot have been booming
we cannot have been booming
you cannot have been booming
they cannot have been booming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I boom?
can you boom?
can she boom?
can we boom?
can you boom?
can they boom? 	can I be booming?
can you be booming?
can she be booming?
can we be booming?
can you be booming?
can they be booming? 	can I have boomed?
can you have boomed?
can she have boomed?
can we have boomed?
can you have boomed?
can they have boomed? 	can I have been booming?
can you have been booming?
can she have been booming?
can we have been booming?
can you have been booming?
can they have been booming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not boom?
can you not boom?
can she not boom?
can we not boom?
can you not boom?
can they not boom? 	can I not be booming?
can you not be booming?
can she not be booming?
can we not be booming?
can you not be booming?
can they not be booming? 	can I not have boomed?
can you not have boomed?
can she not have boomed?
can we not have boomed?
can you not have boomed?
can they not have boomed? 	can I not have been booming?
can you not have been booming?
can she not have been booming?
can we not have been booming?
can you not have been booming?
can they not have been booming?