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2018中考英语语法：一般现在时

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    2018中考英语语法：一般现在时
    一般现在时是英语中应用最广泛的时态之一，是中考复习的重点。它表示：
    (1)经常性、习惯性的动作或存在的状态。e.g. I go to school on foot. He is very busy now.
    (2)表示主语的特征、性格、能力、爱好等。e.g. He can swim. I work hard. I like watching TV.
    (3)表示客观真理 e.g. There are seven days in a week. The moon moves round the earth.
    其结构按正常语序，即“主语+谓语+其它”，有时为了起强调作用，时间状语也可提前.其句式变化可分为两种情况：
    (1)表示动作，一般人称作主语的，变否定句须在动词前加助动词don’t;变一般疑问句须在句首加助动词do。 E.g. They have lunch at 12:00. They don’t have lunch at 12:00. Do they have lunch at 12:00?
    (2) 单三人称做主语的，变否定句须在动词前加助动词doesn’t;变一般疑问句须在句首加助动词does。E.g. Jenny speaks English very well. Jenny doesn’t speak English very well. Does Jenny speak English very well?
    含有be动词的要在be上做变化. E.g. Danny is a good student. Danny isn’t a good student. Is Danny a good student?
    其时间状语为often、 usually、 always、 sometimes等频率副词，on Saturdays、 in the morning(afternoon evening) 、every day 等。
    做题时常见错误如下：
    一、be动词与行为动词同时出现在句子中
    例：We are plant the trees in spring.
    答案：plant
    解析：学生往往会用汉语的思维方式去翻译，就成了“我们是在春天植树”。这是学习英语最忌讳的，要看语法是不是正确，在英语中，be是表状态，do是表动作，两种动词不能同时出现在句子中，可记住如下口诀：“英汉语言有差异，be 、do不能放一起，仔细琢磨细分析，语法千万要牢记。”
    专项练习：
    一、单选
    1 Jenny ____ in an office. Her parents ____in a hospital.
    A work works B works work C work are working D is working work
    2 One of the boys_____ a black hat.
    A have B there is C there are D has
    3 We will go shopping if it____ tomorrow.
    A don't rain B didn't rain C doesn't rain D isn't rain
    4 He said the sun ____in the east and ____in the west.
    A rose; set B rises; sets C rises, set D rise; sets
    5 Wang Mei ____ music and often ____ to music.
    A like; listen B likes; listens C like; are listening D liking ; listen
    6 Jenny____ English every evening.
    A has study B studies C study D studied
    答案：1 B 2D 3C 4B 5B 6B
    二、填空
    1 I can take Li Ming there when he _____ ( come) to visit.
    2 _____your sister_____(know)English?
    3 Her home____ _____ ______(远离 )her school.
    4 The pot_____(not look) like yours very much.
    5 Where _____you____(have)lunch every day?
    6 Who_____(想要 )to go swimming?
    7 ______she_____(do) the housework every day?
    8 Jenny and Danny usually______(play) games in the afternoon .
    答案：1 comes 2 Does know 3 is away from 4 doesn't look
    5 do have 6 wants 7 does do 8 play
    二、单三人称形式易出错
    例：1 He plaies football very well.
    2 Danny gos to school at 7:10.
    答案：1 plays 2 goes
    解析：1以辅音字母加y结尾的动词变单三人称形式才能把y换成i再加es;
    2与名词变复数不同，变单三人称形式以o结尾的词要加es.
    三、在句式变换时易出错
    例：1 Does Jenny has a good friend?
    2 Brian doesn’t lives in China.
    答案：1 Does have 2 doesn’t live
    解析：单三人称做主语的一般现在时做句式变化时，可记住如下口诀：“见助动，用原形”。此口诀也可推广用于一般过去时态中。e.g. He didn't go home yesterday.
    四、对do的理解易出错
    例：We don’t our homework in the afternoon.
    答案：don’t do
    解析：do是一个比较难理解的词，它有三个含义:
    (a)是所有行为动词的总称;
    (b)是助动词，无实义;
    (c)是一个具体的行为动词“做，干”。此句中给出的do指“做”，not指把此句变为否定句，故须在do前加助动词don’t。
    五、对主语的数判断有误
    例： Li Ming with me are (be) in Beijing.
    答案: is
    解析:表面一看是“我和李明两个人在北京”，但with在此做伴随状语，不能做主语，故用is.
    另外，宾语从句中，从句部分若是表示客观真理，不管主句是何时态，从句都要用一般现在时;在时间和条件状语从句中，主句表将来，从句要用一般现在时。
    中考英语频道精心为您推荐：
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    　　中考英语语法复习：一般疑问句
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    　　中考英语语法复习：反意疑问句??
    中考英语语法专题复习：特殊疑问句??

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