Be: structures

Posted by Manjusha. Filed in English Grammar

Be + infinitive

Be can be followed by a to-infinitive. This structure is used to talk about plans and arrangements.

Be + infinitive can also be used to give commands or orders.

Be + perfect infinitive

A perfect infinitive (to have + past participle) can be used after be to show that a planned event did not happen.

Be + passive infinitive

Be+ passive infinitive (to be + past participle) is often used in notices and instructions.

Sections in this article

Prepositions
Expressions without prepositions
Prepositions at the end of clauses
Prepositions: some useful points
Common prepositions: usage