Unit2 Grammar （课件）英语沪外版必修第二册

Unit 2Animals Relative clause 2 – introduced by when, where, why and “preposition + which” Guessing game It is a bird thathasbrightly-colouredorgreyfeathers, thathasacurvedbeak, thatcanbekeptasapet, andthatcanbetrainedtocopywhatpeoplesay. Aparrot! Guessing game Itisatypeoflarge,wildcat whichhasstrongmuscles, whichliveinAfricaandAsia, andwhichhaveyellowfurandblackspots. Aleopard! Locatetherelativeclausesinthetext. 1. However, I am aware that there are lots of people who don’t support these establishments. 2. There are many people who believe that zoos are cruel. 3. An animal kept in a zoo will lead a life different from an animal that lives in the wild. 4. Due to threats such as illegal hunting, there are many species which would be extinct if they weren’t kept in zoos. 5. Animals that live in tropical countries are typically housed indoors in heated tanks which are kept at a temperature similar to that of their natural habitat. Locatetherelativeclausesinthetext. Studythesentencesandfindouthowtheyarecombined.(p.24) subject e.g. Last weekend I visited the post office where I came across my cousin. at which adverbialofplace 1. Last weekend I visited a zoo where (in which) I had a discussion with one of my friends about whether or not zoos are a good thing. adverbialofreason I think zoos are educational and fun. adverbialoftime 2. The best time to go on safari in South Africa is the dry season w hen (in / during which) animals gather around rivers. 3. Having the chance to see all kinds of animals from different parts of the world is the reason why (for which) Completethegrammarruleswithwhen,whereorwhy. We use _________________ after the noun phrase of time. We use _________________ after the noun phrase of place. We use _________________ after reason. when where why preposition+which (moreformal) 1. Animals live in zoos __________ they don’t have to hunt for food. 2. Tropical animals are kept in heated tank