had better等)时,不管何种情况,构成否定式时,
一律在其后加not。
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3. His brother does his homework every day. His brother ____d_o_e__sn_'_t__d__o__ his homework every day.
解析:
原句中没有be动词,助动词或情态动词时,要在 行为动词前加助动词(do, does, did)与否定副词not 的缩写形式。另外,还需要将原句子中的some改为 any; too改either; already改为yet。还需要分清do, have等是实义动词还是助动词。
同时掌握疑问句的语序: (1) 当提问主语或主语的定语时,用陈述句 语序。 (2)当提问其它成分时,则只能用一般疑问 句语序。
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将陈述句变成特殊疑问句时,常用的方法是: “一选,二移,三变,四代”。
“一选”就是选择疑问词
被选择的疑问代词有: what, which, who, whose;
疑问副词有: where, when, why, how; 疑问副词词组有: how long, how often,
将陈述句变成一般疑问句,要根据陈述句中的谓 语动词及其时态确定疑问形式。其句型特点一般 是:
连系动词be或助动词或情态动词 + 主语 + 谓语 + 动词 + 其他?
【即:有三类动词(动词、助动词及情态动词) 的直接把三类动词提到句首;没有三类动词的在 句首加相应的助动词】
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The policeman told the boys not to play football in the street. (甘肃省中考题)