o
打开（开关、水、电等）
等）返航
tur
out制造出，生产出，培养出；结局是，结果是；原
tur
dow
拒绝；音量调低；向下翻；
来是
tur
i
to把变成；把翻译成
tur
over移交，把打翻
tur
i
上交
tur
to转向，求助于，翻到第几页
tur
left向走转
tur
tosbforhelp求助于
II、实战演练
圈出划线部分的正确答案，使句子完整正确。1Thequestio
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gsaystellsgoes“Laugha
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动词的时态I、重点难点解析
高考中通常是把时态和语境结合起来考查。题干中往往没有明确的时间状语，需要考生搜索出时间参照信息。英语有16种时态，中学阶段常用的是10种。
一动词的基本形式一览表
形式变化规则
构成方法
例词
原形现在时第三人称单数形式
一般情况以chshsx结尾以o结尾
以“辅音字母＋y”结尾
加s加es
加es变y为i，加es
seefi
ishteachlook→lookswrite→writes
teach→teachesfi
ish→fi
ishesguess→guessesmix→mixesdo→doesgo→gr