5A 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
6A / an has no plural form.It is a car This is a rabbit.That is a red rose He’s a tennis player.
7BETWEENBetween 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.
9Main 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.
10Present 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.