? ? ? 專升本中英語是必考的。在英語學(xué)科中，時(shí)態(tài)無疑是最重要的語法內(nèi)容，學(xué)好時(shí)態(tài)基本就拿下了語法的半壁江山。庫課小編為大家整理了專升本英語的重難點(diǎn)，2023年參加專升本考試的同學(xué)可以提前記背下。
一般現(xiàn)在時(shí)
1、概念：表示經(jīng)常發(fā)生的情況;有規(guī)律出現(xiàn)的情況;總是發(fā)生的;事實(shí)真理。
2.時(shí)間狀語: Always, usually, often, sometimes, every week (day, year, month…), once a week (day, year, month…), on Sundays (on Mondays…), etc.
3.基本結(jié)構(gòu)：主語+動(dòng)詞原形(如主語為第三人稱單數(shù)，動(dòng)詞上要改為第三人稱單數(shù)形式)
4.否定形式：主語+am / is / are+not+其他;此時(shí)態(tài)的謂語動(dòng)詞若為行為動(dòng)詞，則在其前加 don't，如主語為第三人稱單數(shù)，則用 doesn't，同時(shí)還原行為動(dòng)詞。
5.一般疑問句：把 be 動(dòng)詞放于句首;用助動(dòng)詞 do 提問，如主語為第三人稱單數(shù)，則用 does，同時(shí)，還原行為動(dòng)詞。eg：①It seldom snows here. 這里很少下雪。②He is always ready to help others. 他總是樂于幫助別人。③Action speaks louder than words. 事實(shí)勝雄辯。
一般過去時(shí)
1.概念：過去某個(gè)時(shí)間里發(fā)生的動(dòng)作或狀態(tài);過去習(xí)慣性、經(jīng)常性的動(dòng)作、行為。
2.時(shí)間狀語：ago, yesterday, the day before yesterday, last week, last (year,night,month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time,etc.
3.基本結(jié)構(gòu)：主語+動(dòng)詞的過去式或 be 的過去式+名詞
4.否定形式：主語+was / were+not+其他;在行為動(dòng)詞前加didn't，同時(shí)還原行為動(dòng)詞。
5.一般疑問句：was 或 were 放于句首;用助動(dòng)詞 do 的過去式 did 提問，同時(shí)還原行為動(dòng)詞。eg：①She often came to help us in those days.那些天她經(jīng)常來幫助我們。②I didn't know you were so busy.我不知道你這么忙。
一般將來時(shí)
1.概念：表示將要發(fā)生的動(dòng)作或存在的狀態(tài)及打算、計(jì)劃或準(zhǔn)備做某事。
2.時(shí)間狀語：Tomorrow, next day (week,month, year…), soon, in a few minutes, by…, the day after tomorrow,etc.
3.基本結(jié)構(gòu)：主語+am/is / are+going to+do+其它;主語+will / shall+do+其它
4.否定形式：主語+am /is/ are not going to+do;主語+will / shall not do+其它
5.一般疑問句：be 放于句首;will / shall 提到句首。(首字母大寫)eg：①They are going to have a competition with us in studies.他們將在學(xué)習(xí)中與我們競(jìng)爭(zhēng)。②It is going to rain.天要下雨了。
一般過去將來時(shí)
1.概念：立足于過去某一時(shí)刻，從過去看將來，常用于賓語從句中。2.時(shí)間狀語：The next day (morning, year…), the following month (week…), etc.
3.基本結(jié)構(gòu)：主語+was / were+going to+do+其它;主語+would / should+do+其它
4.否定形式：主語+was / were+not+going to+do+其它;主語+would/should+not+do.
5.一般疑問句：was 或 were 放于句首;would / should 提到句首eg：①He said he would go to Beijing the next day. 他說他第二天要去北京。②I asked who was going there. 我問，誰要去那里。