1、Adverbial Clause of ConditionDo you know that even if we dont say a word,we still send messages to the people around us?If someone shakes her head,she usually mean no.If someone touches their nose while theyre talking,it shows theyre lying.If they fold their arms across their chest,it means they fee
2、l threatened.It was really interesting and I learned all sorts of useful things.To my great surprise,only 7%of communication involves actual words,while 55%connects with body language!If you shake your head,you usually mean no.You usually mean no when you shake your head.say goodbye&wave _ goodbye t
3、o someone,you often wave to them.If/When you say Have a try:Complete the sentences.drop&break into pieces_ the glass onto ground,it breaks into pieces.If/When you drop Have a try:Complete the sentences.show someone the way&point_ someone the way,you usually point.If/When you show Have a try:Complete
4、 the sentences.nod head&mean yes _ your head,you usually mean yes.If/When you nod Have a try:Complete the sentences.Find out the rules.If/when you shake your head,you usually mean no.If/when you say goodbye to someone,you often wave to them.If/when you drop the glass onto ground,it breaks into piece
5、s.If you show someone the way,you usually point.If you nod your head,you usually mean yes.功能功能1：描述常见情况：描述常见情况l从句说明条件从句说明条件l主句说明结果主句说明结果l主从句均使用一般现在时主从句均使用一般现在时If you are invited to my birthday party tomorrow,what will you do?If I am invited to your birthday party,Ill wear my beautiful dress.If I buy
6、two tickets,we can go to the cinema.If we are watching the film,please keep quiet.If you have finished dinner,Ill ask the waiter for the bill.Find out the rules.主句将来时从句现在时一般将来时祈使句含情态动词一般现在时现在进行时现在完成时描述未来的一种可能性：描述未来的一种可能性：l从句说明条件从句说明条件l主句说明结果主句说明结果l主将从现主将从现如果如果Tom在看电视在看电视,告诉他看看告诉他看看CCTV 5。If Tom is w
7、atching TV,tell him to watch CCTV 5.如果你想减肥，你应该少吃糖。如果你想减肥，你应该少吃糖。If you want to lose weight,you should eat less candy.Have a try:If I am not invited to your birthday party,I wont wear my beautiful dress.Unless I am invited to your birthday party,I wont wear my beautiful dress.unless=if not(除非否则，如果不)1
8、.除非买票，否则我们是不能看电影的。We cant watch the film unless we buy tickets.We cant watch the film if we dont buy tickets.2.如果你不快点，你就见不到Eason。Unless you hurry up,you wont see Eason.If you dont hurry up,you wont see Eason.Have a try:If in Rome,you must do as Romans do.主句，从句主语相同 从句谓语中有 be方法一：主从句主语相同,if从句中有 be,则if从
9、句中主语、谓语可省略。Omission(you are)1.If you are studying English,you must pay attention.2.If two rivals meet,the strong-minded one will win.3.If he is free,he will go with us.Have a try:如果是真的，这条信息会很重要。This information will be important,if(it is)true.如果明天天气好，我们就去划船。If(it is)fine tomorrow,we will go boating.
10、Have a try:Activity 1:CompetitionChoose the following tasks to earn points for your group,the top scorer will be the winner!blank fillingsentence completionsentence translation345Blank Filling:3 points for eachIf _(drive),you must drive with concentration.If _(possibility),he_(call)the police.If a m
11、an _(feel)very tired,he _(yawn)a lot.I_(tell)a word unless he _(ask)me.What_ I _(do)if they _(want)to leave?1 2 3 4 5Sentence Completion:4 points for each1.如果你去，我也去。如果你去，我也去。Ill go _.If you go2.如果有必要，你可以帮我们做点事。如果有必要，你可以帮我们做点事。_,you can help us to do something.If necessary3.除非他明天给我打电话，否则我不会等他。除非他明天给我
12、打电话，否则我不会等他。I wont wait for him _.unless he calls me tomorrow4.如果Tom有麻烦，他会找警察帮忙。_,Tom will turn to police for help.If in trouble5.如果要捡地上的东西，我们会弯下腰。如果要捡地上的东西，我们会弯下腰。If we want to pick up something on the ground,_.we usually bend our body6.如果可能的话，给我回个电话。如果可能的话，给我回个电话。_,give me a call.if possibleSenten
13、ce Translation:5 points for each1.水如果被冷却，就会变成冰。If/when water is cooled,it changes into ice.2.如果你能帮我，我会非常感激的。I will be very grateful If you can help me/give me hand.3.除非丧失信心，否则我们一定会赢得比赛。We will win the match unless we lose heart.4.如果有必要，你最好查一下字典。If necessary,youd better refer to the dictionary.5.除非他向
14、我道歉，否则我是不会原谅他的。I will not forgive him unless he apologizes to me.6.不试试你永远不会成功。You will never succeed unless you try.You will never succeed if you dont try.Activity 2:Pair workv meeting peoplev conversation topicsv visiting someones homev eating a mealv giving giftsv.Liz,an exchange student in our sc
15、hool,come to our country for the first time.Discuss with your deskmate and write a letter to give Liz some advice about:34Show timeWhat we have learned today?Two functions of Adverbial Clause of Condition:When and how to omit an Adverbial Clause of Condition?Homework:Finish your letter to Liz about your advice.Shoot a short video about the social customs in China.T H E E N D T H A N K Y O U !
