be動(dòng)詞、一般動(dòng)詞和助動(dòng)詞-全文預(yù)覽
【正文】 must not talk with your mouth full.你不可以在嘴巴有東西時(shí)說話216。Does he can speak English? 肯定句：主語+一般動(dòng)詞過去式…疑問句：Did+主語+原形動(dòng)詞…？ friends went to that movie case week.（疑問句）Did his friends go to that movie last week.（答句）Yes,they did./No,they didn’t. wrote a letter to David.（疑問句）Did Grace write a letter to David?（答句）Yes, She did./No,she didn’t.比較 疑問句過去式He was sick.Was he sick.He did his homework.Did he do his homework?三、助動(dòng)詞所謂助動(dòng)詞是和原形動(dòng)詞合在一起，用來表現(xiàn)時(shí)態(tài)、語態(tài)、語氣的動(dòng)詞。 Be動(dòng)詞開頭的疑問句，可用yes或no回答，而答句中的主語用代名詞。 助動(dòng)詞do/does/did開頭的疑問句（即一般疑問句），其回答（問句）Do/Does/Did+主語+原形動(dòng)詞…？（答句）Yes,主語+do/does/did No,主語+don’t/doesn’t/didn’tDoes the little boy go to school?Yes,he does./No,he doesn’t.比較 疑問句She is beautiful.Is she beautiful? Yes, she is.She loves tennis.Does she love tennis? Yes,she does.二、be動(dòng)詞、一般動(dòng)詞的過去式Be動(dòng)詞的過去式表示：過去時(shí)間中發(fā)生的狀態(tài)1.（現(xiàn)在式）He is busy now.（他現(xiàn)在很忙）（過去式）He was busy then.（他那時(shí)很忙）2.（現(xiàn)在式）My parents are at home now.（過去式）My parents were at home yesterday.時(shí)間副詞改變，動(dòng)詞也應(yīng)改變。 助動(dòng)詞have和hashas為have（有，吃）的單數(shù)形式They have a lot of money.He has a lot of money.一般動(dòng)詞的否定句含有一般動(dòng)詞從肯定句變?yōu)榉穸ň鋾r(shí)，不可直接在一般動(dòng)詞之后加not，必須使用助動(dòng)詞do/does/did。.. . . ..be動(dòng)詞、一般動(dòng)詞和助動(dòng)詞一、be動(dòng)詞、一般動(dòng)詞的現(xiàn)在式（1）be動(dòng)詞的現(xiàn)在式—am/are/isbe動(dòng)詞的含義（表狀態(tài)）We are happy.—我們很高興（表存在）She is in America.—她在美國(guó)主語+be動(dòng)詞主語be動(dòng)詞例句第一人稱amI am a boy.第二人稱areYou are my sons.第三人稱的單數(shù)名詞isHe is my student.be動(dòng)詞的否定句含be動(dòng)詞（am/are/is）的肯定句變成否定句時(shí)，在be動(dòng)詞后加not即可。加esgogoes/washwashes/watchwatches+y時(shí)，去y加iescrycries/studystudies252?？隙ň洌褐髡Z+一般動(dòng)詞…疑問句：Do/Does/Did+主語+原形動(dòng)詞…？ visit your grandmother on Sundays.（疑問句）Do you visit your grandmother on Sundays? es from England.（疑問句）Does he e from England?252?？隙ň洌褐髡Z+was/were…疑問句：was/were+主語…？ was in the seventh grade last year.Wendy去年讀七年級(jí)（疑問句）Was wendy in the seventh grade last year?178。肯定句：主語+一般動(dòng)詞…否定句：主語+did not+原形動(dòng)詞 called you last night.他昨晚打你電話（否定句）He did not call you last night. sister and I watched TV all day yesterday.（否定句）My sister and I didn’t watch TV all day yesterday.比較 否定句過去式She was at home.She wasn’t at home.She studied English.She didn’t study English.一般動(dòng)詞過去式的疑問句含有一般動(dòng)詞過去式的肯定句變?yōu)橐蓡柧鋾r(shí)，不可將一般動(dòng)詞拿到主語前，必須用過去式助動(dòng)詞did，且did之后必須用原形動(dòng)詞。，將助動(dòng)詞拿到主語前Can
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