Lesson on how to use BE TO (Citizens are to observe laws of a country)

The video tutorial explains the grammatical form 'B2 plus infinitive', which is a formal way to express 'to be supposed to'. It is commonly used in formal writing such as newspaper articles, essays, and reports. The tutorial provides examples and explains how to construct sentences using this form, including its use in conditional sentences to express preconditions.

What is the formal expression equivalent to 'to be supposed to'?

• B2 plus noun

• B2 plus infinitive

• B2 plus gerund

• B2 plus participle

Which of the following is an example of 'B2 plus infinitive' in a company context?

• You are to visit the museum.

• You are to read the newspaper.

• You are to receive a pay rise next month.

• You are to observe the weather.

How is the verb 'to be' used in the 'B2 plus infinitive' form?

• It is conjugated according to the subject.

• It is used in the passive voice.

• It is always in the past tense.

• It is always in the future tense.

In which type of sentences can 'B2 plus infinitive' be used to express preconditions?

• Conditional sentences

• Interrogative sentences

• Exclamatory sentences

• Imperative sentences

What is the purpose of using 'B2 plus infinitive' in formal writing?

• To simplify the language

• To add humor to the text

• To express obligations formally

• To make the text more casual