can compare
Verbo regular: compare - compared- compared

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can compare
you can compare
he can compare
we can compare
you can compare
they can compare 	I can be comparing
you can be comparing
he can be comparing
we can be comparing
you can be comparing
they can be comparing	I can have compared
you can have compared
he can have compared
we can have compared
you can have compared
they can have compared	I can have been comparing
you can have been comparing
he can have been comparing
we can have been comparing
you can have been comparing
they can have been comparing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't compare
you can't compare
he can't compare
we can't compare
you can't compare
they can't compare 	I can't be comparing
you can't be comparing
he can't be comparing
we can't be comparing
you can't be comparing
they can't be comparing	I can't have compared
you can't have compared
he can't have compared
we can't have compared
you can't have compared
they can't have compared	I can't have been comparing
you can't have been comparing
he can't have been comparing
we can't have been comparing
you can't have been comparing
they can't have been comparing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I compare?
can you compare?
can he compare?
can we compare?
can you compare?
can they compare? 	can I be comparing?
can you be comparing?
can he be comparing?
can we be comparing?
can you be comparing?
can they be comparing? 	can I have compared?
can you have compared?
can he have compared?
can we have compared?
can you have compared?
can they have compared? 	can I have been comparing?
can you have been comparing?
can he have been comparing?
can we have been comparing?
can you have been comparing?
can they have been comparing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I compare?
can't you compare?
can't he compare?
can't we compare?
can't you compare?
can't they compare? 	can't I be comparing?
can't you be comparing?
can't he be comparing?
can't we be comparing?
can't you be comparing?
can't they be comparing? 	can't I have compared?
can't you have compared?
can't he have compared?
can't we have compared?
can't you have compared?
can't they have compared? 	can't I have been comparing?
can't you have been comparing?
can't he have been comparing?
can't we have been comparing?
can't you have been comparing?
can't they have been comparing?