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 does the grammatical form B2 plus infinitive mean?

How is the verb 'to be' conjugated in the B2 plus infinitive structure?

Can you provide an example of a sentence using the B2 plus infinitive form?

What is the significance of using the B2 plus infinitive in conditional sentences?

In what contexts can the B2 plus infinitive form be used?