passive form

Ex: The scientists have studied the problem carefully The problem has been carefully studied by the scientists B / Trạng từ hoặc cụm trạng từ chỉ nơi chốn đứng trước by agent Ex: The Po[r]

THE PASSIVE FORM A/ FORM : S + BE + P.P +( by + agent ) Ex: My house was built by my father S + Be + P.P + O (agent) B/ Passive Transformation Active S + V + O S + Be + P.P +by + agent Passive /The present simple tense: Active: S +V(es ,s) +O + place + time S + is /am/are +P.P(ed,III) +place +by O +time Ex: My mother cleans this room everyday This room is cleaned by mother everyday / The present progressise tense: Active: Passive: S + IS /AM /ARE + V-ing + O S + IS /AM /ARE + BE-ing + P.P +by(…) Ex: They are building a new swimming-pool A new swimming-pool are being built (by them) / The present perfect tense: Active: Passive: S + have /has +P.P + O S +have /has +been + p.p +by (…) Ex: They have the discovered oil at the North Pole Oil has been discovered at the North Pole (by them) / The past simple tense: Active: S + many V(ed,II)beautiful +O Ex: Lan and her pen pal visited place in Ha Noi Many beautiful in Ha by(…)Lan and her pen Passive:place were S +visited was /were +P.PNoi +by pal / The past progressive tense Active: S + was / were +V-ing +O Passive: S + was / were + being + P.P +by(….) Ex: They washed our clothes with a new detergent Our clothes were washed with anew detergent / The past perfect tense Active: Passive: Ex: S + had + P.P +O S + had +been + P.P + by(….) They had destroyed all the documents when we arrived All the documents had been detroyed when we arrived / The future simple tense Active: S + will + V + O Passive: S + will + be +P.P +by (…) Ex: The Queen will open the new hospital The new hospital will be opened by the Queen / Be going to Active: S + be going to +V + O Passive: S + be going to + be +P.P + by (…) Ex: They are going to bake the bread The bread is going to be baked / Modal verbs Can, could, should, may,might,would, ought to,have to, must, had to Active: S + modal verbs + V + O Passive: S + modal verbs + be + P.P Ex: The children must go to the school The school must be gone to by the children 10 / Löu yù: Các chủ ngữ là : I ,You ,He ,She ,It ,We ,They ,People ,Someone, Somebody,trong câu chủ động thường bỏ,không dùng câu bị động Ex: Someone left this purse in a classroom This purse was left in a classroom A / Trang từ cách thức thường đứng be và Quá khứ phân từ Ex: The scientists have studied the problem carefully The problem has been carefully studied by the scientists B / Trạng từ cụm trạng từ nơi chốn đứng trước (by agent ) Ex: The Police found him in the forest He was found in the forest by the police C / Trạng từ cụm trạng từ thời gian đứng sau ( by agent) Ex: Alexander G Bell invented the telephone in 1876 The telephone was invented by Alexander G Bell in 1876