Defining and non-defining relative clauses. Relative Pronouns. Grammar tasks

Choose the correct answer. Can we omit the relative pronouns in the following sentences? She invented a torch which is powered by the heat of your hand. She had a friend who failed her exams because she had no electricity.

Choose the correct answer. We use whose for ... .

Choose the correct answer. Can we replace which with that in the following sentences? She invented a torch which is powered by the heat of your hand. This is something which other generations find difficult.

Choose the correct answer. We use where for ... .

Choose the correct answer. Can we omit the relative pronoun in the following sentences? Makosinki, who was born in Canada, invented the device for a friend. The agency, which is based in New York, has been investigating Gen Z. Touch screens, which teenagers use all the time, may be responsible for students gradually losing the ability to write.

Choose the correct answer. We use when for ... .

Choose all the correct answers. Which relative clauses are defining, giving us essential information about someone or something? Do they have commas?

Choose the correct answer. We use who for ... .

Choose the correct answer. Can we replace which with that in the following sentences? The agency, which is based in New York, has been investigating Gen Z. Touch screens, which teenagers use all the time, may be responsible for students gradually losing the ability to write.

Choose all the correct answers. Which relative clauses are non-defining, giving us extra, non-essential information about someone or something? Do they have commas?

Choose the correct answer. We use why for ... .

Choose the correct answer. We use which for ... .

Choose the correct answer. Can we omit the relative pronoun in the following sentences? This is something which other generations find difficult.