Review Units 3-4

Review Units 3-4

1. Unit 4

   • Past simple and past continuous:We use the past simple to talk about finished actions in the past and the past continuous to yalk about activities in progress.Examples:-My parents called me yesterday. -I woke up early this morning. -Sam played basketball when he was at university.-We were cleaning the house all morning.
   • Past perfect:When we talk about two events in the past, we can use the past perfect to make clear which happened first.Examples.-When they arrived,we had already started cooking.-He was very tired,because he hadn't slept well.
   • Disasters
     • Air crash,drought,earthquake,flood,storm,tsunami,volcano,wildfire.
   • -ing forms
     • We use the -ing form of the verb in a variety of contexts:-after a preposition,as relative clauses,in some fixed expressions.

2. Unit 3

   • Second conditional: We use the second conditional to talk about situations that are imaginary or not likely.Examples:-If it rained, you would get wet.-You would get wet if it rained.-If you went to bed earlier you wouldn't be so tired.-If she fell, she would hurt herself.-She would hurt herself if she fell
   • Third conditional:We use the third conditional to talk about situations that are impossible because it is too late.Examples:-He'd have got the job if he hadn't been so nervous in the interview. -What would you have done if you'd been me? -If it hadn't been snowing heavily, we'd have carried on skiing.- The company would have survived if there hadn't been a recession.
   • Money and finance
     • Account,bills,credit card,insurance,deals,receipt,reduced,savings,delivery,orders,refund
   • Prepositional verbs
     • About,for,from,in,of,to