ETAPA 1Escolha a opção correta
ETAPA 2Adicione exercícios que você gosta aos Favoritos
After the verbs can, must, may, shall, and will, use the infinitive without to , and not the third person of the present.
Can changes to could in subordinate clauses, when the verb in the main clause is in the past simple tense.
Use the simple past tense to express a habit in the past, and not the past continuous
Use the past continuous tense to describe events in the past happening at the time another action took place: I was walking to school when I met him.