Cách tạo câu Bị động The tree is planted on the ground In active sentences the subject is the person / thing that does the action. The subject comes at the sta r sentence. Most English is made up of active sentences. Take a look at this example using Paul as th e book as the object: ' Paul wrote a book.' Passive Sentences In passive sentences the focus of the sentence is the 'recieving' object of an action and it comes at th e sentence; therefore, the object and the subject change positions in the sentence: 'The book was written by Paul.' How to make a passive To make a passive sentence you need to start with object first and then use the be form of the verb ( d the tense) and then add a past participle: object + be + past participle (by someone/something) Examples Active: 'The gardener grows flowers.' Passive: 'Flowers are grown by the gardener.' Active: 'My grandfather planted that tree.' Passive: 'That tree was planted by my grandfather.' Active: 'The dog is chasing the sheep.' Passive: 'The sheep are being chased by the dog.' Now choose the correct word to make passive sentences: • The old woman was ___ by Sam. help helped helping be helped • Bags ___ in this factory. is make are make is made are made • Planes are not being ___ on Sundays at this airport. flown flew fly flies • The student was ___ to by his teacher. spoken spoked speak speaking • The book was ___ into Japanese by my brother. transfered translated translate transfer • When was America ___? came invented discovered appeared • This office is ___ now. be cleaned cleaned being cleaned cleaning . Cách tạo câu Bị động The tree is planted on the ground In active sentences the subject is the person