情态动词知识点和练习modalverbs.ppt

ModalVerbs WhatdidBettysaytomaketheguestveryangry ModalVerbsI hadbetter should oughtto must haveto TerribleHobbies 1 Youhadbettereatmorevegetableandfruits 2 Youhadbetterdrinklesswine 3 YouhadbetternotsurftheInternet 4 Youhadbettergetupandgotobedearly 5 Youhadbettertakemoreexercise TheDoctor sAdvice hadbetter 1 Thepositiveform 肯定形式 ofhadbetteris 2 Thenegativeform 否定形式 ofhadbetteris hadbetter hadbetternotdoSth hadbetterdoSth Hadbetterisusedwhenyougiveadviceaboutsomethingtosomebody butthepersonwhoyougiveadvicemaynotacceptit Structure Meaning SomeadviceonWesterntablemanners 1 Youshouldkeeptheknifeinyourrighthandandtheforkinyourleft Yououghttokeeptheknifeinyourrighthandandtheforkinyourleft 2 Youshouldn taskasecondbowlofsoup Yououghtnottoaskasecondbowlofsoup 3 Youshouldn tdrinktoomuch Yououghtnottodrinktoomuch 4 Youshouldfinisheverythingonyourplate Yououghttofinisheverythingonyourplate should WesternTableManners oughtto Should Oughtto 1 Thepositiveformsofshouldandoughttoare and 2 Thenegativeformsofshouldandoughttoare and shouldnotdoSth oughtnottodoSth shoulddoSth oughttodoSth Structure Meaning Shouldoroughttoisusedwhenyouhaveyourdutytodosomething Alotofhousework cleanthehouse washalltheclothes walkthedog watertheflowers 1 Youmustcleanthehouse Ihavetocleanthehouse 2 Youmustwatertheflowers Ihavetowatertheflowers 3 Youmustwashalltheclothes Ihavetowashalltheclothes 4 Youmustwalkmydogafterdinner Ihavetowalkherstupiddogafterdinner musthaveto Housework Must Haveto Mustisusedwhenyouwanttosaythatitisnecessaryforsomeonetodosomething Havetoisusedwhenyouareforcedtodosomethingbythesituationorarule Meaning 1 Gettoschoolontime 2 Wearschooluniformseveryday 4 Don twearanyjewelry 首饰 atschool 5 Don ttakecellphonestoschool 6 Turnoffthelightbeforeleavingtheclassroom 7 Don trideyourbikeatthecampus Listmiddleschoolrules ModalVerbs hadbetter should oughtto 1 对某人该做某事提出自己的观点一般用Youhadbetter v 原形否定用Youhadbetternot v 原形 Eg You dbettermakeyourselfknowntotheworld You dbetternoteatfruitthatisn tripe 2 尽力说服某人应该做某事一般用Youshould v 原形否定Youshouldnot v 原形或者用Yououghtto v 原形否定Yououghtnotto v 原形 Eg Youshould oughttobecarefulwithyourwriting Youshouldnot oughtnottoeattoomuchjunkfood 1 Thedoctorisgivingadvice Completethefollowingsentences usingshould oughtto hadbetterortheirnegativeforms否定形式togiveadvice Example Youhavegotabadcold Youhadbettertakesomemedicine Youhaveabitofafever You You ifyouwanttobehealthy Ifyouaresick you Beforeyoueatanapple you Youdon tlookwell You Youhaveabadcough You 7 Thismedicinewillmakeyousleepy You Thereisnothingseriouslywrongwithyourknee butyou shouldstayhometoday hadbetterchangeyourdiet hadbetternotgooutsideintherain shouldm