五月天Av在线,先锋成在线人资源视频,中文字幕亚洲欧洲精品,在线观看人成www精品

  • <s id="aicku"></s>
    <sup id="aicku"><thead id="aicku"></thead></sup>
      1. 奧數網
        全國站
        您現在的位置:奧數 > 小學英語網 > 語法 > 正文

        2022小學英語語法:動詞的變化

        來源:奧數網整理 2022-04-21 10:31:27

        智能內容

          1)代詞及be動詞

          主格 I we you you she/he/it they

          賓格 me us you you her/him/it them

          代詞所有格 my our your your her/his/its their

          名詞性代詞 mine ours yours yours hers/his/its theirs

          be動詞現在時 Am are are are is are

          be動詞過去時 was were were were was were

          2)名詞的復數

          規(guī)則變化的名詞復數形式

          規(guī)則1 一般情況+s e.g. shell→shells  toy→toys

          規(guī)則2 以s, x, ch, sh結尾+es e.g. fox→foxes  church→churches

          規(guī)則3 以o結尾+s或+es e.g. radio→radios  potato→potatoes

          規(guī)則4 以f, fe結尾的,變f, fe為ves e.g. life→lives  half→halves

          規(guī)則5 以輔音字母+y結尾, 變y為i+es e.g. sky→skies  study→studies

          3)動詞的第三人稱單數形式

          規(guī)則1 一般情況+s e.g. like-likes, look-looks

          規(guī)則2 以s, x, ch, sh和o結尾+es e.g. do-does, catch-catches

          規(guī)則3 以輔音字母+y結尾, 變y為i+es e.g. carry-carries, fly-flies

          4)動詞現在分詞

          規(guī)則1 一般動詞加-ing e.g. look-looking,  read-reading,  play-playing

          規(guī)則2 以不發(fā)音的字母結尾的單詞去e加-ing e.g. make-making, take-taking, arrive-arriving

          規(guī)則3 重讀閉音節(jié)詞結尾, 即單詞中只有一個元音字母,其后緊跟一個輔音字母的詞,雙寫輔音字母再加-ing  e. g. run-running, sit-sitting, get-getting, swim-swimming, stop-stopping

          5)動詞過去式

          規(guī)則動詞變化

          規(guī)則1 一般動詞加-ed e.g. look-looked, watch-watched, play-played

          規(guī)則2 以e結尾的加-d e.g. close-closed, arrive-arrived

          規(guī)則3 以輔音字母y結尾的變y為i加-ed cry-cried, carry-carried

          規(guī)則4 重讀閉音節(jié)詞結尾, 即單詞中只有一個元音字母,其后緊跟一個輔音字母的詞,雙寫輔音字母再加-ed  stop-stopped

          過去式的讀音

          在清輔音后面(除外)讀/t/ e.g. walked, jumped

          在濁輔音和元音后讀/d/ e.g. washed, watched

          在/t/,/d/后讀/id/ e.g. waited, hated

          6)形容詞和副詞的比較級和最高級

          比較級

          規(guī)則1 一般加-er e.g. high-higher

          規(guī)則2 以e結尾加-r nice-nicer

          規(guī)則3 以輔音字母加y結尾,變y為i再加-er busy-busier

          規(guī)則4 重讀閉音節(jié)結尾, 雙寫輔音字母再加-er fat-fatter

          最高級

          規(guī)則1 一般加-est e.g. high-highest

          規(guī)則2 以e結尾加-st nice-nicest

          規(guī)則3 以輔音字母加y結尾,變y為i再加-est busy-busiest

          規(guī)則4 重讀閉音節(jié)結尾, 雙寫輔音字母再加--est fat-fattest

          7)常見縮寫:

          is='s I am=I'm are='re

          is not=isn't /iznt/ are not=aren't /a:nt/

          do not=don't

          does not=doesn't

          was='s

          did not=didn't

          can not=can't

          have='ve

          has='s

          have not=haven't

          has not=hasn't

          will='ll

          will not=won't

          shall not=shan't

          點擊查看更多:更多語法知識

         

          奧數網提醒:

        小學數學題、單元測試、課本同步試題

        盡在“奧數網”微信公眾號

        廣告合作請加微信:17310823356

        京ICP備09042963號-15 京公網安備:11010802027854

        違法和不良信息舉報電話:010-56762110 舉報郵箱:wzjubao@tal.com

        奧數版權所有Copyright2005-2021 npehotel.com.cn. All Rights Reserved.