从句之要素
从语法结构的角度看，任何从句都有三个要素，即时态与主句要响应，关联词使用要恰当，主要结构不倒装。
规则动词加Ed的读音
清读[t]，浊元[d]
t、d后面读[id]
一句话记名词所有格的构成分式和用法
The children’s teacher asked a friend of tom’s to bring him some students’ books on the first day of the month.
一句话记清辅音浊化
Some youths are walking along the paths to have baths in the houses with something in their mouths.
加-ing要双写的常见动词
一个m，两个d和g
(swim) (nod,rid) (dig,beg)
三n，四p，十个t
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