Conjugação do verbo inglês
CAN IMPROVE

Verbo regular: improve - improved - improved

Afirmação

Forma simple	Forma com V-ing
I can improve you can improve she can improve we can improve you can improve they can improve	I can be improving you can be improving she 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 she 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 she 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 can't improve you can't improve she can't improve we can't improve you can't improve they can't improve	I can't be improving you can't be improving she can't be improving we can't be improving you can't be improving they can't be improving
Perfeito	Perfeito com V-ing
I can't have improved you can't have improved she can't have improved we can't have improved you can't have improved they can't have improved	I can't have been improving you can't have been improving she can't have been improving we can't have been improving you can't have been improving they can't have been improving

Forma interrogativa

Forma simple	Forma com V-ing
can I improve? can you improve? can she improve? can we improve? can you improve? can they improve?	can I be improving? can you be improving? can she 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 she 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 she 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't I improve? can't you improve? can't she improve? can't we improve? can't you improve? can't they improve?	can't I be improving? can't you be improving? can't she be improving? can't we be improving? can't you be improving? can't they be improving?
Perfeito	Perfeito com V-ing
can't I have improved? can't you have improved? can't she have improved? can't we have improved? can't you have improved? can't they have improved?	can't I have been improving? can't you have been improving? can't she have been improving? can't we have been improving? can't you have been improving? can't they have been improving?