Read the following sentences about “Uso e formação de Wh-questions e outras estruturas interrogativas.”

1. Wh-questions begin with what, when, where, who, whom, which, whose, why and how.

2. We use the ‘wh-questions’ to ask for information. The answer can be yes or no. We expect an answer which gives information.

3. We usually form ‘wh-questions’ with wh- + an auxiliary verb (be, do or have) + subject + infinitive verb or with wh- + a modal verb + subject + main verb.

4. When what, who, which or whose is the subject or part of the subject, we do not use the auxiliary. We use the word order subject + verb.

Select the option that presents the correct sentences.