Conjugação do verbo inglês
CAN PERFORM

Verbo regular: perform - performed - performed

Afirmação

Forma simple	Forma com V-ing
I can perform you can perform she can perform we can perform you can perform they can perform	I can be performing you can be performing she can be performing we can be performing you can be performing they can be performing
Perfeito	Perfeito com V-ing
I can have performed you can have performed she can have performed we can have performed you can have performed they can have performed	I can have been performing you can have been performing she can have been performing we can have been performing you can have been performing they can have been performing

Negação

Forma simple	Forma com V-ing
I can't perform you can't perform she can't perform we can't perform you can't perform they can't perform	I can't be performing you can't be performing she can't be performing we can't be performing you can't be performing they can't be performing
Perfeito	Perfeito com V-ing
I can't have performed you can't have performed she can't have performed we can't have performed you can't have performed they can't have performed	I can't have been performing you can't have been performing she can't have been performing we can't have been performing you can't have been performing they can't have been performing

Forma interrogativa

Forma simple	Forma com V-ing
can I perform? can you perform? can she perform? can we perform? can you perform? can they perform?	can I be performing? can you be performing? can she be performing? can we be performing? can you be performing? can they be performing?
Perfeito	Perfeito com V-ing
can I have performed? can you have performed? can she have performed? can we have performed? can you have performed? can they have performed?	can I have been performing? can you have been performing? can she have been performing? can we have been performing? can you have been performing? can they have been performing?

Forma interro-Negação

Forma simple	Forma com V-ing
can't I perform? can't you perform? can't she perform? can't we perform? can't you perform? can't they perform?	can't I be performing? can't you be performing? can't she be performing? can't we be performing? can't you be performing? can't they be performing?
Perfeito	Perfeito com V-ing
can't I have performed? can't you have performed? can't she have performed? can't we have performed? can't you have performed? can't they have performed?	can't I have been performing? can't you have been performing? can't she have been performing? can't we have been performing? can't you have been performing? can't they have been performing?