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電子課本網(wǎng) 第89頁

第89頁

信息發(fā)布者:
fly a kite
go to the cinema
chat on the Internet
have a picnic
have
goes
flies
does
do
at
I
usually
with
Liu Tao
She
has
dancing
1.作業(yè)精靈老師示例:A:What do you do at weekends,Tom?B:I usually visit my grandparents.
A:What does Mike do at weekends?B:He usually plays football with his friends.
2.(1)一般直接在動(dòng)詞詞尾加s;(2)以o結(jié)尾的動(dòng)詞加es,
以 s,x,ch,s字母結(jié)尾的動(dòng)詞,后面加es;(3)以輔音字
母加y結(jié)尾的動(dòng)詞,先將y變i,再加-es;(5)特殊情況:
have-has.
3.同:這些頻度副詞都是表示做事情的頻率。在句中習(xí)慣上位于be動(dòng)詞、助動(dòng)詞之后,行為動(dòng)詞之前。
異:(1)程度不同,always頻度最大,意為“總是,永遠(yuǎn)”;usually意為“通?!保春苌倮?,頻度第
2;often意為“經(jīng)常”,頻度第3;sometimes意為“有時(shí)候”,頻度最小。(2)位置不同,只有sometimes
還可以放在句首或者句尾。often可放在句中和句尾,習(xí)慣上不放在句首。