be

語法講1）be+現(xiàn)在分詞，構(gòu)成進(jìn)行時(shí)態(tài)。例如：Theyarehavingameeting. English ingmoreandmoreimportant.2）be+過去分詞，構(gòu)成語態(tài)。例如Thewindowwasbrokenby Englishistaughtthroughoutthe 3）be+HeistogotoNewYorknext Wearetoteachthe Youaretoexplain Heistocometotheofficethis 要他今天下午來HowamItoanswer Whoistogo Wearetomeetattheschoolgateatseventomorrowmorning. 我們明天早晨7點(diǎn)在校門口集have1）have+過去分詞，構(gòu)成完成時(shí)態(tài)。例如：HehasleftforLondon. Bytheendoflastmonth,theyhadfinishedhalfoftheirwork. 2）havebeenIhavebeenstudyingEnglishfortenyears.我一直在，已達(dá)十年之久3）have+been+過去分詞，構(gòu)成完成式語態(tài)。例如EnglishhasbeentaughtinChinaformanyyears.中國教英語已經(jīng)多年。一般式：todo、tobe完成式：tohavedone、tohavebeendone一般式 ng、being完成式：havingdone、havingbeendone一般式 ng、being完成式：havingdone、havingbeen例如：FightingbrokeoutbetweentheSouthandtheNorth.a.例如：admit承認(rèn)、Appreciate感激、avoid避免、complete完成、Consider認(rèn)為、delay耽誤、deny否認(rèn)、detest討厭、endure忍受、enjoy喜歡、escape逃脫、fancy想象、finish完成、imagine想象、mind介意risk、suggest建議、face面對(duì)、include包括、stand忍受、Understand理解、Forgive寬恕、keep繼續(xù)例如：Wouldyoumindturningdownyourradioalittleplease?你把收音機(jī)音量調(diào)小一點(diǎn)，好Thesquirrelwasluckythatitjustmissedbeingcaught.這松鼠幸運(yùn)得很，剛逃避了被逮五、worth,,worthbeworth 當(dāng)名詞為金錢時(shí)，表示"常見的有It’sworthwhiletodo./It’sworth（someone’s）while beworth ngsth. Thequestionisnotworthdiscussingagainandagain.worthy：beworthyof+n. beworthytobedone"某事值得被做"Thequestionisnotworthytobediscussedagainandworthwhilebeworthwhiletodo Itisworthwhiletoaskhimtojointheclub.值得邀請(qǐng)他加入。Itisnot todiscussthequestionagainandA. B. C. D.worthC.worthbeworthwhiletodosth.C。形容詞或副詞的某些語能，又有動(dòng)詞的時(shí)態(tài)和語態(tài)的特點(diǎn)及作用。常見的形式如表所示（以及物動(dòng)詞do為例，不及物動(dòng)詞沒有語態(tài)。一般式：tod