Resposta:
oiio
Explicação:
Conjugação do verbo "to study"
Present. I. study. you. study. ...
Present continuous. I. am studying. you. are studying. ...
Simple past. I. studied. you. studied. ...
Past continuous. I. was studying. you. ...
Present perfect. I. have studied. you. ...
Present perfect continuous. I. have been studying. you. ...
Past perfect. I. had studied. you. ...
Past perfect continuous. I. had been studying. you
