Unit 2 Discovering Useful Structures 公开课（ppt课件）-2022新人教版（2019）《高中英语》必修第一册.pptx

1、Unit 2 TravellingAround Discovering Useful Structures Lead inLook at the sentences.What do you think the tense in the sentences expresses?lIm travelling around Europe for two weeks with my aunt and uncle.lWere renting a car and driving!lMy parents are taking me to Hong Kong during the October holida

2、y.The present continuous tense现在进行时现在进行时am/is/are doingLead inRead the conversation and underline verbs in the present continuous tense.Discuss with a partner when and how these verbs are used.?在使用现在进行时表示将来的句子中，需要具体的时间状语或根据上下文表示的意思及时态。语法精讲一、现在进行时表示将来1位移动词的进行时表示将来现在进行时表示将来，主要用于表示按计划或安排将要进行的动作，常有“意图，安

3、排，打算”的含义。这种用法通常要带一个表示将来的时间状语。有些用法的动词多是位移动词，如arrive,come,go,leave,return,start,take off,fly等。表示位置转移的动词 1.I am seeing him off this afternoon.今天下午我去给他送行。2.We are leaving for Shanghai this afternoon.我们今天下午将动身去上海。3.They are coming here this afternoon.他们下午会来。语法精讲2非位移动词的进行时表示将来现在进行时表示将来，除使用位移动词外，也可使用某些非位移动

4、词，如do,work,meet,have,play,spend，buy,finish,publish等，此时句中一般要有表示将来的时间状语。1.My mother is buying me a book soon.我妈妈很快要给我买一本书。2.We are having a few guests tomorrow.我们明天有几位客人要来。3.The man is meeting his girlfriend this afternoon.男士今天下午要见他的女朋友。补全句子：1.她今晚将动身去新加坡。She _ Singapore tonight.2.你什么时候动身去度假？When _ for

5、 your holiday?3.下星期天你打算干什么？What _ next Sunday?4.我妈妈不久将给我买辆自行车。My mother _ me a bike soon.5.我下课后见你。I _ you after class.6.我打算今年出一本书。I _ a book this year.PracticePracticeis leaving forare you setting offare you doingis buyingam meetingam publishing语法精讲二、将来时的其他表达法1will/shall do will可用于各种人称，而shall多用于第一人称

6、。will表示单纯的将来，对未来事情发生的“预见性”。事先未经过考虑的打算、计划，而是在说话时才想到或决定的事，即临时起意。1.My son will be back this evening.我儿子今晚将回来。2.She will be twenty next year.她明年就20岁了。3.Ill tell him the truth if I see him tomorrow.如果明天我见到他，我会告诉他真相。语法精讲2be going to do表示现在打算或计划将来要做的事情(预先考虑)，还可以表示说话者根据现在的迹象或征兆“预测”即将发生的事情(常指自然现象)。1.What are

7、 you going to do tonight?今晚你打算做什么？2.Are you going to watch the football game this afternoon?你打算今天下午看足球赛吗？3.Look at the dark clouds!Its going to rain.看这些乌云！天要下雨了。语法精讲3be to do表示预先安排好的计划或约定(受别人的指令或安排将要做)；表示决定会发生的事情；表示说话人的意志、意图、职责、命令、义务等。1.You are to come back by 9 oclock.你必须9点以前回来。2.You rea to report

8、it to the police.你应该报警。3.The meeting is to beginning next Monday.会议将于下周一开始。语法精讲4be about to do表示正要做某事，指眼前的将来，不能和表示将来的时间状语连用，但可以与when引导的时间状语从句连用，常用be about to do.when.句型，意为“正要做，这时”。【误】The class is about to begin in five minutes.【正】The class is to begin in five minutes.1.I was about to go to bed when

9、the telephone rang.我正要睡觉，这时电话响了2.The train is about to start.火车就要开了。语法精讲5一般现在时表示将来，有两种情况：(1)常用于表示按日程表或按时刻表的安排要发生的事情，如火车出发，飞机起飞等，仅限于一些位移动词，如go,come,leave,start,arrive,return,begin等。The train leaves at six tomorrow morning.When does the bus start？It starts in ten minutes.(2)用于时间和条件状语从句中。(主将从现）Ill tell

10、 him the news when he comes back.语法精讲将来时的表达法现在进行时表将来其他表将来的表达方式位移动词的现在进行时表将来非位移动词的现在进行时表将来will/shall dobe going to dobe to dobe about to do一般现在时表将来1.be doing,be going to do都可以表示即将要做的事情。前者更强调事先计划好的安排、确定要做的事情；后者表示说话者的打算和意图，还可表示根据当前情况作出的预言。2.be doing与will do表示即将发生的事情时，will更强调个人意愿和瞬间的决定。practicepracticeR

11、ead the sentences and tick those that express future plans.Rewrite them in the present continuous tense.page28am visitingam visitingis applyingis applyingam havingam havingnot a plannot a plannot a plannot a planpracticepracticeDecide whether will do or the present continuous tense is better and fil

12、l in the blanks.page79will always loveare visitingwill findare takingAre you contactingwill givepracticepractice你将在这儿待到下周吗？（stay）you here till next week?他们什么时候动身去上海？（leave）When they for Shanghai?课后我要和他见面。（meet）I him after class.看！天要下雨了。（rain）Look!It .火车七点三十分开车。（leave）The train at 7:30.我正要上床睡觉，这时有人敲门。（go）I to bed when someone knocked at the door.安静点！孩子在睡觉。（sleep）Be quiet!The child .这些天我不太舒服。（feel）These days I well.我觉得火车就要进站了。（arrive）I think the train .Arestayingareleavingam meeting is going to rainleavesam about to gois sleepingam not feelingis arriving