Conjugação do verbo inglês
CAN IMPROVE

Verbo regular: improve - improved - improved

Afirmação

Forma simple	Forma com V-ing
I can improve you can improve he can improve we can improve you can improve they can improve	I can be improving you can be improving he can be improving we can be improving you can be improving they can be improving
Perfeito	Perfeito com V-ing
I can have improved you can have improved he can have improved we can have improved you can have improved they can have improved	I can have been improving you can have been improving he can have been improving we can have been improving you can have been improving they can have been improving

Negação

Forma simple	Forma com V-ing
I cannot improve you cannot improve he cannot improve we cannot improve you cannot improve they cannot improve	I cannot be improving you cannot be improving he cannot be improving we cannot be improving you cannot be improving they cannot be improving
Perfeito	Perfeito com V-ing
I cannot have improved you cannot have improved he cannot have improved we cannot have improved you cannot have improved they cannot have improved	I cannot have been improving you cannot have been improving he cannot have been improving we cannot have been improving you cannot have been improving they cannot have been improving

Forma interrogativa

Forma simple	Forma com V-ing
can I improve? can you improve? can he improve? can we improve? can you improve? can they improve?	can I be improving? can you be improving? can he be improving? can we be improving? can you be improving? can they be improving?
Perfeito	Perfeito com V-ing
can I have improved? can you have improved? can he have improved? can we have improved? can you have improved? can they have improved?	can I have been improving? can you have been improving? can he have been improving? can we have been improving? can you have been improving? can they have been improving?

Forma interro-Negação

Forma simple	Forma com V-ing
can I not improve? can you not improve? can he not improve? can we not improve? can you not improve? can they not improve?	can I not be improving? can you not be improving? can he not be improving? can we not be improving? can you not be improving? can they not be improving?
Perfeito	Perfeito com V-ing
can I not have improved? can you not have improved? can he not have improved? can we not have improved? can you not have improved? can they not have improved?	can I not have been improving? can you not have been improving? can he not have been improving? can we not have been improving? can you not have been improving? can they not have been improving?