can overthrow
Irregular verb: overthrow - overthrew- overthrown

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can overthrow
you can overthrow
she can overthrow
we can overthrow
you can overthrow
they can overthrow 	I can be overthrowing
you can be overthrowing
she can be overthrowing
we can be overthrowing
you can be overthrowing
they can be overthrowing	I can have overthrown
you can have overthrown
she can have overthrown
we can have overthrown
you can have overthrown
they can have overthrown	I can have been overthrowing
you can have been overthrowing
she can have been overthrowing
we can have been overthrowing
you can have been overthrowing
they can have been overthrowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot overthrow
you cannot overthrow
she cannot overthrow
we cannot overthrow
you cannot overthrow
they cannot overthrow 	I cannot be overthrowing
you cannot be overthrowing
she cannot be overthrowing
we cannot be overthrowing
you cannot be overthrowing
they cannot be overthrowing	I cannot have overthrown
you cannot have overthrown
she cannot have overthrown
we cannot have overthrown
you cannot have overthrown
they cannot have overthrown	I cannot have been overthrowing
you cannot have been overthrowing
she cannot have been overthrowing
we cannot have been overthrowing
you cannot have been overthrowing
they cannot have been overthrowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I overthrow?
can you overthrow?
can she overthrow?
can we overthrow?
can you overthrow?
can they overthrow? 	can I be overthrowing?
can you be overthrowing?
can she be overthrowing?
can we be overthrowing?
can you be overthrowing?
can they be overthrowing? 	can I have overthrown?
can you have overthrown?
can she have overthrown?
can we have overthrown?
can you have overthrown?
can they have overthrown? 	can I have been overthrowing?
can you have been overthrowing?
can she have been overthrowing?
can we have been overthrowing?
can you have been overthrowing?
can they have been overthrowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not overthrow?
can you not overthrow?
can she not overthrow?
can we not overthrow?
can you not overthrow?
can they not overthrow? 	can I not be overthrowing?
can you not be overthrowing?
can she not be overthrowing?
can we not be overthrowing?
can you not be overthrowing?
can they not be overthrowing? 	can I not have overthrown?
can you not have overthrown?
can she not have overthrown?
can we not have overthrown?
can you not have overthrown?
can they not have overthrown? 	can I not have been overthrowing?
can you not have been overthrowing?
can she not have been overthrowing?
can we not have been overthrowing?
can you not have been overthrowing?
can they not have been overthrowing?