一般现在时讲解教案一般现在时一般现在时表示经常发生的动作或存在的状态，常与表示频率的时间状语连用。
always 总是；usually 通常；often经常；sometimes有时候；never从不1>一般现在时的构成形式1.当句子中的谓语动词为BE时，有三种不同的变化形式。
单数复数第一人称I am.... we are.....第二人称you are.... you are...第三人称he/she/it is.... they are....BE的句型结构：肯定句：主语+ am/is/are +....她来自美国______________________________________ 否定句:主语+ am/is/are + not +.......他今天没在家______________________________________ 疑问句：am/is/are +主语+......?这本书是你的吗？___________________________________BE的缩略形式：BE与主语缩写：I am = I'm he is = he's she is = she's it is = it'swe are = we're you are = you're they are = they'reBE与not缩写: is not = isn't are not = aren't注意：a.在肯定的简略答语中，一般不用缩写。
如：—Are you ten? ---Yes,I am.b. this 不能与is缩写。
如：这是个超市。
____________________________________c. am不能与not缩写。
我不是十一岁。
____________________________________2.当句子中的谓语动词是行为动词时，一般现在时用动词原形或时第三人称单数形式，•肯定句：主语+V/V(E)S+其他如：我喜欢土豆。
________________________________丽丽喜欢打篮球。
____________________________________________•否定句：主语+do/does+not+V+其他如：我们不喜欢吃西红柿。
_________________________________________他不喜欢画画。
_______________________________________________ •一般疑问句：do/does+主语+V+其他?如：你经常去电影院吗？___________________________________________是的，我经常去。
___________________________你的妈妈喜欢购物吗？__________________________________________不，她不喜欢。
____________________________•答语：Yes, 主语+do/does.No,主语+do/does not.•特殊疑问句：疑问句+do/does+主语+V+其他如：你喜欢喝什么？_______________________________________________ __________汤姆喜欢做什么？_______________________________________________ __________________注意：当主语位单数第三人称，动词一般现在时使用第三人称单数形式，动词变单数第三人称的规则如下：a. 直接在动词结尾+Shelp---helps play---plays write-----writesb. 以-s,-x,-ch,-sh,-o等结尾的，在词尾+esguess---guesses watch----watches go----goesc. 以辅音字母+Y结尾的，变Y为i+escarry---carries study----studies fly----flies3.一般现在时的标志：常有提示词：often, usually, sometimes, every day/week, on Sunday, in the morning/afternoon/evening等。
如：On sunday many people go to church. 星期天有许多人去做礼拜。
4.一般现在时的主要用法：A.表示经常性，习惯性的动作。
他经常下午去踢足球。
_______________________________________________ ________我们通常下午六点钟会面_______________________________________________ _________B.表示现在主语所处的状态。
我们很忙。
_________________________________________我们现在有空_______________________________________________C.表示主语所具备的性格和能力。
罗不特歌唱的很好。
_______________________________________________ ____________他汉语讲的很好_______________________________________________ ________D.表示客观事实，普遍真理或格言我12岁__________________________________他们来自加拿大_______________________________________________ __________________一般疑问句_____________________________________________________肯定回答___________________________________________否定回答______________________________________________2.They watch TV every evening.（对划线部分提问）_________________________________________________________________________ 3.Do you often play football after school?肯定回答________________________________________4.I have many books.改为否定句_________________________________________5.Lily’s sister likes playing table tennis.改为否定句__________________________________________6.She lives in a small town near New York.一般疑问句_________________________________________肯定回答___________________________________________否定回答______________________________________________7.I watch TV everyday.一般疑问句__________________________________________-肯定回答___________________________________________否定回答______________________________________________8.David has got a goal.一般疑问句_________________________________________肯定回答___________________________________________否定回答______________________________________________-9.We have four lessons.否定句__________________________________________10.Nancy doesn’t run fast.肯定句__________________________________________11.My dog runs fast.否定句____________________________________________ 一般疑问句____________________________________________肯定回答___________________________________________否定回答______________________________________________12.Mike has two letters for him.否定句_______________________________________________ 一般疑问句_________________________________________________肯定回答______________________________________否定回答_______________________________________13.I usually play football on Friday afternoon.一般疑问句_________________________________________________肯定回答__________________________________________________否定回答___________________________________________________划线部分提问___________________________________________________14.Su Yang usually washes some clothes on Saturday.否定句________________________________________________________一般疑问句_____________________________________________________肯定回答________________________________________________________-否定回答_________________________________________________________划线部分提问______________________________________________________ 15.Mingming waters flowers everyday.一般疑问句_________________________________________________肯定回答__________________________________________________否定回答___________________________________________________划线部分提问___________________________________________________16.Tom does his homework at home.一般疑问句_________________________________________________肯定回答__________________________________________________否定回答___________________________________________________划线部分提问___________________________________________________。