牛津译林版英语-八上U6 Grammar 课件.pptVIP

Unit 6 BirdwatchingGrammar They went to the seaside . to go fishing Why did they go to seaside? They went to the market to buy some food. Why did children go to the market? We often use to-infinitives For purpose Work out the rules 1. They went to the seaside to go fishing. 2. They went to the market to buy some food. to watch to study to prevent in order to have Find more with to-infinitives for purpose is more formal than to -infinitives In order to Work out the rules In order to = to Fathers started early in order to get to Zhalong in time. In order to get to Zhalong in time , fathers started early. Describe the pictures with to-infinitives E.g.: The children play football to keep fit. play football/keep fit go into the cave /look for treasure The children go into the cave to look for treasure. put on more coats/keep warm They put on more coats in order to keep warm. put on more coats /not catch a cold They put on more coats in order not to catch a cold. Describe the pictures with in order to More sentences with to-infinitives: invite sb to do sth need sb to do sth tell, ask, get, invite, need, want … + sb to do sth + sb not to do sth verbs + object + to-infinitives How to express a negative (否定的) meaning? tell, ask, get, invite, need, want … Work out the rule 1. The villagers invited fathers and their children _________ (come) to dinner in their homes. 2. The members of the Birdwatching Society teach children ________ (count ) the birds. 3. He told children _________ (not play) near the lake. 4. Children helped their fathers ________ (do) the housework. What happened to fathers and children? to come to count not to play (to) do help sb (to) do sth They watched a monkey ride a bike. They saw an elephant play football. The zookeeper let/made dolphins play some