英語(yǔ)時(shí)態(tài)：一般現(xiàn)在時(shí)的用法

一般現(xiàn)在時(shí)的用法1. 什么叫一般現(xiàn)在時(shí)。一般現(xiàn)在時(shí)表示經(jīng)常發(fā)生或習(xí)慣性的動(dòng)作或狀態(tài)及客觀現(xiàn)實(shí)和普遍真理。2. 一般現(xiàn)在時(shí)需要的特點(diǎn)。一般現(xiàn)在時(shí)常以動(dòng)詞原形表示，但當(dāng)主語(yǔ)是第三人稱(chēng)單數(shù)時(shí)，動(dòng)詞詞尾加-s或-es。3. 一般現(xiàn)在時(shí)的句型結(jié)構(gòu)主語(yǔ).（包括be動(dòng)詞）賓語(yǔ)She is an engineer. He has breakfast at 6:00every day.4. 注意事項(xiàng)：a)一般現(xiàn)在時(shí)通常與always , often , usually , every day , sometimes , once a week 等時(shí)間狀語(yǔ)連用。I always watch TV at 8:00 in the evening .They go home once a week .We usually do our homework at home .b)表客觀現(xiàn)實(shí)或普遍真理。The sun always rises in the east .The light travels faster than the sound .c)表永遠(yuǎn)性的動(dòng)作或狀態(tài)。He lives in the country .5. 第三人稱(chēng)單數(shù)變化形式a)一般情況動(dòng)詞在詞尾加-s . come-comes speak-speaks work-works live-lives b)以o, s, x, ch, sh結(jié)尾的單詞在詞后加-es. do-does go-goes finish-finishes brush-brushesfix-fixes pass-passes watch-watches c)以“輔音字母y”結(jié)尾的單詞變y為i加-es. Study-studies carry-carries cry-cries d)以“元音字母y”結(jié)尾的單詞直接加-s. play-plays stay-stays 例句：我們每天晚上九點(diǎn)做作業(yè)。我在早上七點(diǎn)半起床。他每天七點(diǎn)去上班。我們經(jīng)常下午打籃球。他喜歡音樂(lè)。地球圍繞太陽(yáng)轉(zhuǎn)?；疖?chē)六點(diǎn)出發(fā)。6. 否定句和疑問(wèn)句。a)-He is an engineer. -He isnt an engineer. -Is he an engineer? -Yes, he is ./ No, he isnt. b)-We get up at 7:30 in the morning . -We dont get up at 7:30 in the morning . -Do you get up at 7:30 in the morning ? -Yes, we do. / No, we dont. c)-He likes music. -He doesnt like