2019新人教高中英语选择性必修四
Teaching aims：
By the end of this period, students will be able to:
潍坊车辆违章查询1. identify the functions of infinitives.
2. practise using infinitives in different contexts.
3. express your own ideas using infinitives.
Teaching key and difficult points：
1.Help students to analyse the functions of infinitives in a real context and use infinitives properly.
2.Instruct students to learn how to use infinitives.
Teaching procedures:
StepⅠLead-in
Ask students to answer some questions based on the text in the part of Reading and Thinking.
1.Why have humans always been longing to explore the sea?
2.What is the aim of the Belt and Road Initiative?
Suggested answers:
宝马北京1.To promote trade and satisfy their curiosity, humans have always been longing to explore the sea.
2.The aim of the Belt and Road Initiative is to encourage cooperation and trade across the historic Silk Road areas, and strengthen the bonds between China and the rest of the world.
StepⅡObserve and analyse
Find all the sentences containing infinitives in the reading passage. Then mark their functions.
Suggested answers:
1.To complete the great map of the world(As the subject) was a strong passion for the people of early civilisations.
2.Marco Polo’s tales inspired European explorers to search for sea routes (As the object complement) from west to east.
3.Here, merchants from China and many other places met to negotiate trade deals (As the adverbial), which also led to more awareness of each other’s cultures.
4.To reach out across the sea (As the subject) remains a strong desire today.
5.The aim of this initiative is to encourage cooperation and trade (As the predicative) acro
ss the historic Silk Road areas, and strengthen the bonds between China and the rest of the world.
上海比亚迪有限公司6.Trading has grown greatly in recent years, and will continue to do so (As the object) in years to come.
7.In recent years,China has joined other nations on several expeditions to explore the Arctic(As the attributive).
8.From a scientific point of view, there is an urgent need to study the Arctic(As the attributive) in order to understand climate change and its effects.
9.... the need 途安1.8tto trade(As the attributive) and the desire to enhance relationships(As the attributive) will drive China to reach out (As the object complement) across the sea far into the future.
StepⅢ Practise using the infinitive
Activity 1 Join the words to make sentences using infinitives. Then decide the function of each infinitive.
1.He/encouraged me/participate in the surfing competition.
2.The storm/seems/be getting closer.
3.Magellan/was the first person/sail around the world.
4.The UN peacekeeping force/aims/maintain peace and prevent armed conflicts.
5.The crowd/stood/applaud/scientists/for their important ocean research work.
6.It is a good idea/tax/plastic bottles/so that people use them less.
7.The Jiaolong manned submersible/is said/be able/reach 7 km underwater.
8.It remains/be seen/whether or not his capsule can work.
Suggested answers:
1.He encouraged me to participate in the surfing competition. (OC)
2.The storm seems to be getting closer. (P)
3.Magellan was the first person to sail around the world. (Attr)
4.The UN peacekeeping force aims to maintain peace and prevent armed conflicts. (O)
5.The crowd stood to applaud scientists for their important ocean research work. (Ad)
6.It is a good idea to tax plastic bottles so that people use them less. (S)
7.The Jiaolong manned submersible is said to be able to reach 7 km underwater. (O;O)
8.It remains to be seen whether or not his capsule can work. (P)
Activity 2
Read the beginning 玛莎拉蒂spyderof The Little Mermaid and use the proper forms of the verbs in brackets to fill in the blanks.
Far out in the ocean,where the water is as clear as glass,lives the Sea King. The ocean is too deep (measure).We may imagine there is nothing except yellow sand under the sea,but actually it is not rare (see) the most unique flowers and plants (dance) in the fast-moving water.In the deepest spot of all stands the Sea King’s castle,which has walls of coral and a roof (form) of beautiful shells.The mother of the king,a wise woman who is proud (be) born into the royal family,takes care of his six daughters.Among the six sea-princesses,the youngest is the prettiest.Although she has delicate skin like a rose-leaf and eyes as blue as the deepest sea,she has no feet but a fish tail just like her sisters.The most common way for the princesses (play) all day long is (swim) in the halls of the castle or among the flowers growing out of the walls,feeding and touching the fish (swim) up to their hands through the windows.They seem (not worry) about anything,except for the
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