Perguntas de sujeito e objeto: Who called? Who did you call? (A2)

A pessoa está no começo da resposta (My brother called me)? Então coloque a forma do passado logo depois de Who, sem did.

Who called? (sem did)

My brother called me. → Who called you?
Not "Who did call you?" — say "Who called you?". My brother está no começo da resposta, então não tem did.
Experimente: Ira: ___ about the new rule? Amina: A teacher told me. We can't eat in class now. Escolha a pergunta da Ira. (Who did tell you / Who told you / Who did you tell) Resposta: Who told you — A teacher está no começo da resposta, então a pergunta não tem did: Who told you?

A pessoa vem depois do verbo (I called my brother)? Então use did + o verbo no infinitivo: Who did you call?

I called my brother. → Who did you call?
Not "Who you called?" — say "Who did you call?". A resposta vem depois do verbo (I called my brother), então você precisa de did.
Experimente: Ira: ___ at the concert? Amina: I saw a friend from my art class. Escolha a pergunta da Ira. (Who saw you / Who did you help / Who helped you / Who did you see) Resposta: Who did you see — A Amina viu a amiga, então a amiga vem depois do verbo, e a pergunta leva did: Who did you see?

What happened? pergunta sobre um acontecimento. A forma do passado vem logo depois de What, sem did.

What happened on the bus?
Not "What did happen?" — say "What happened?". Sem did em What happened?
Experimente: Ira: ___? There's paper everywhere in the hall. Amina: A box fell off the table. Escolha a pergunta da Ira. (What happened / What did happen / Who called / Who did call) Resposta: What happened — What happened? não tem did: a forma do passado vem logo depois de What.

Olhe a resposta. A pessoa está no começo, antes do verbo? Pergunte sem did. A pessoa vem depois do verbo? Pergunte com did.

The teacher helped me. → Who helped you?
I helped the teacher. → Who did you help?
Experimente: Amina: Somebody visited me last night. Ira: Really? ___? Escolha a pergunta da Ira. (Who did you call / Who called you / Who visited you / Who did you visit) Resposta: Who visited you — Alguém visitou a Amina, e a Ira pergunta sobre essa pessoa, que está no começo: Who visited you? Sem did.

Incorreto	Correto	Por quê
Who did call you?	Who called you?	My brother está no começo da resposta, então não tem did.
Who you called?	Who did you call?	A resposta vem depois do verbo (I called my brother), então você precisa de did.
What did happen?	What happened?	Sem did em What happened?