Main Idea Sentences : The main idea of a composition is contained in the main idea sentence . This sentence gives the reader a general idea of what you are writing about .The main idea sentence should be written at the beginning of the composition . Next , you will give the details of the composition . The main idea sentence gives instructions says : 1. what the instructions are for . 2. there are certain steps to follow . First, … / First of all … Second,,... Third , … ( and so on ) Next, ,... Then, ,... After that , … Finally , … / Last you can use transitions that show chronological order , to help the reader see the relationship between the parts . When giving instructions . Use : Remember to use a comma ( , ) after each transition . Use these words carefully .Too many transitions can make your composition sound monotonous . Exercise 4 page 8-9 Imperative : Use Use imperative to give instructions , to make requests , and to give orders . Form Use the base form of the verb . Don't use a subject pronoun , such as you . To form negative , put do not or don't before the verb . Example : Wear , put , don't throw , don't eat . Exercise 5 . A. First , Remove the cape from the medicine bottle , and wipe it with an alcohol pad . B. Next , Pull the plunger back on the syringe to mark equal to the a mount of medication you need to draw up . C. Then , Remove the needle cover and insert the syringe needle into the rubber center on the top of medicine bottle . D. After that , Push the plunger of the syringe down, and force the air from the syringe into the bottle . E. Finally , Turn the bottle upside-down and hold the neck of the bottle between your index and middle finger of the left hand , support the syringe with your thumb and ring finger , Don't allow the needle to bend . Use your right hand to pull the plunger to mark at the prescribed amount of medication . Push the plunger until the air bubbles are removed . Exercise 7 pages 11-12 Form: Subject + Should + Base form . Use : Should is used to express what the speaker thinks is right or the best thing to do . It expresses mild obligation or advice . Shouldn't expresses advice about things not to do . e.g You should take your medicine regularly . You shouldn't take your medicine on an empty stomach . Exercise page : 13 – 14 Clause is a group of words that contains a subject and a verb . There are two kinds of clauses : 1. main clause can be a separate sentence , and its information is complete . 2. dependent clause depends on a main clause for its complete meaning . It's not a complete idea , so it cannot be a sentence by itself . Use The word When shows that two steps happen at the same time . Form Use imperative in the main clause . Include the subject ( you ) in the dependent Clause . You can put either the main clause or dependent clause first in the sentence . if The dependent clause comes first , it is separated from the main clause by a comma (,) Exercise 9 &10 pages 15 - 16 Put on a gown : 1. Wash hands . 2.Put on gown with opening in the back . 3. Fasten ties at back of neck , and waist to cover clothing . Remove a gown : 1. Unite or break ties at the back and neck . 2. Pull from the neck and shoulders then arms , turning inside out as gown is removed . 3. Roll gown into bundle and discard in appropriate waste . 4. Wash hands . Exercise pages 18-19