5 A or ANA / an is called the “indefinite article”.1 When to use “a” ; when to use “an”Use a before a consonant sound.E.g : He’s a doctor. What a nice picture!Use an before a vowel sound.E.g : He’s an actor. What an ugly picture!2 A or An comes before a singular countablenoun:a singular countable noun.anE.g : a man a union an idea an houra modifier(s) + singular countable noun.E.g : a happy woman an interesting new book
6 A / an has no plural form.It is a car This is a rabbit.That is a red rose He’s a tennis player.
7 BETWEENBetween is a preposition of PLACE and TIME.B A CXE.g : A is between B and C.(a) PlaceE.g : There is a cloud between two mountains.(b) TimeThe Murder10.00 PM X AME.g : The murder must have taken place between 10 p.m. And 7 a.m., when everyone was asleep.
9 Main clauses and subordinate clauses One clause may be part of another clause. For example, one clause may be an object or an adverbial in another clause:Clause 1Object(=clause 2)SubjectIVerb phaseaskedSubjectthe doctorAdverbialwhereVerb phraselived.Clause 1SubjectweAdverbial(=clause 2)Verb phrasewill phoneObjectyouConjunctionafterSubjectweVerb phrasearrive.
10 Present Continuous Tense 1 Form:We form the present continuous with be ingAffirmativeI amyou,they,we are working.he, she, it isContractions : am = ‘m are = ‘re is = ‘s2 Use : We use the Present continuous to talk about something which is in progress at the moment of speaking.e. g. :They are listening to their teacher He is playing tennis.