Resposta :
Resposta:
have helped -
The children have helped their mother lately.
haven't found -
I still haven't found my cell phone.
Have decided -
Have you decided what food you want to order?
Haven't eaten -
I'm really hungry because I haven't eaten.
Has read -
Has Sarah read the magazine I gave to her?
Explicação:
O present perfect é formado por has ou have + o particípio passado do verbo principal.
Usamos has para he/she/it e have para I/you/we/they.