📄️ Imperative clauses (Be quiet!)
We use imperative clauses when we want to tell someone to do something (most commonly for advice, suggestions, requests, commands, orders or instructions).
📄️ Infinitive: active or passive?
Most verbs have an active infinitive form (with or without to): (to) catch, (to) do, (to) help, (to) leave, (to) wash.
📄️ Infinitives with and without to
Form
📄️ Perfect infinitive with to (to have worked)
We form the perfect infinitive with to have + the \-ed form of a verb. We use the perfect infinitive after verbs such as claim, expect, hate, hope, like, love, prefer, pretend: