The document outlines the structure of imperative sentences in English. It describes the affirmative and negative forms of imperatives for the second person singular, second person plural, and first person plural. For affirmatives, it shows the bare infinitive form is used for the second person singular and plural while "let's" plus the infinitive is used for first person plural. For negatives, "do not" plus the infinitive is used for second person singular and plural while "let's not" plus the infinitive is used for first person plural. Examples are provided to illustrate each case.

1. IMPERATIVE (Aff.)
General Do
(Bare) Infinitive [2nd person singular] (Bare) Do [2nd person singular]
Let’s + infin. [1st person plural]
Let’s do [1st person plural]
(Let us)
(Bare) Do [2nd person plural]
(Bare) Infinitive [2nd person plural]
Examples:
-Stand up, open the door and go home. [For both 2nd person singular and plural]
-Let’s go to the kitchen and (let’s) have something to eat. [1st person plural]

2. IMPERATIVE (Neg.)
General Do
Do not + infinitive [2nd person singular] Don’t do [2nd person singular]
Let’s + not infin. [1st person plural]
Let’s not do. [1st person plural]
Do not + infinitive [2nd person plural]
Don’t do [2nd person plural]
Examples:
-Don’t stand up and don’t talk to your mate. [For both 2nd person singular and plural]
-Let’s not go to the beach this weekend. [1st person plural]