七年级的一般现在时讲解课件.ppt
The Present Simple Tense(一般现在时)Which one do you play every day?I play basketball every day.I play soccer ball every day.Which one does she play every day?Do and think!How can we name this action of playing basketball every day?(1)经常性或习惯性的动作。She plays basketball every day.She plays soccer ball every day.Which one do you like?What does she/he like?Do and thinkHow can we name this habit of liking a kind of fruit?2）表示现阶段存在的状态、特征或心理活动。I like bananas.I like apples.She likes bananas.She likes apples.She likes bananas.（2）表示现阶段存在的状态、特征或心理活动。He plays volleyball every day.(1)表示经常性习惯性的动作。The definition of The Present Simple Tense:一般现在时态：表示现阶段经常性、习惯性的动作或现阶段存在的状态、特征及心理活动.常用的状语有：often,sometimes,usually,every day 等。一般现在时态的be 动词形式：I am a student.You are students.He is a student.She is a student.They are students.I am not a student.You are not students.He is not a student.She is not a student.They are not students.Are you a student?Yes,I am.Is she a student?Yes,she is.Is he a student?No,he is not.(isnt)Are they students?No,they are not.肯定句否定句一般疑问句Do and think:Be 动词的一般现在时：肯定句：is/am/are否定句：is/am/are not一般疑问句：把be 动词提到句 首，小写改为大写，其他的词不变，句号变为问号。Practice:Fill in the blanks with the words gave.1.Where _(be)my keys?2.I _(be)Jim.My sister _(be)Gina.3.My pen pal _(be not)from Japan,he_(be)from Canada.4.His friends _(be)friendly to him.5.There_（be）a pen and two pencils in the pencil-box.6.My parents _(be)docters.7.Paul and Tommy _(be)my cousins.aream isisnt isareisareare实义动词的一般现在时：I like bananas.He likes bananas.She likes bananas.They like bananas.I do not like bananas.He does not like bananas.She does not like bananas.They do not like bananas.Do you have bananas?Yes,I do.Does he like bananas?Yes,he does.Does she like bananas?No,she does not.Do they like bananas?Yes,they does.V 的一般现在时：非第三人称单数：肯定句：V(原)否定句：dont+V(原)一般疑问句:do 提前+V(原)第三人称单数：肯定句：V+s/es 动词三单数 否定句：doesnt+V(原)一般疑问句：does 提前+V(原)Do and think:肯定句:否定句:一般疑问句:Now look at these sentences carefully.Pay attention to their verbs and subjects:I like bananas.You like bananas.She likes bananas.He likes bananas.动词原型 动词的“三单”形式have hasdo doesgogoesteach teachesplay playsfly flieswashwashesrelaxes relaxlikeslikeget gets固定的“三单”形式直接加“s”s,x,ch,sh,o结尾的单词，直接加“es”以辅音字母加“y”结尾的单词，变“y”为“i”再加“es”areisHave a try(试试看)一般现在时的主谓一致 使用一般现在时要注意主语和谓语的第一个动词在人称和数的方面的 一致。基本规则是：如果主语为第三人称单数，谓语的第一个动词要变为 第三人称单数形式。规则如下：2.以s.x.sh.ch.o 结尾，加-es,1.一般情况下，直接加-s，3.以“辅音字母+y”结尾，变y为i,再加-es,SayPlayWatchBringLookWashFlyHaveGoSpellsaysplayswatchesbringslookswashesflieshasgoesspells在清辅音之后发/s/,其他情况下发/z/发为/iz/发音为/z/Please change the sentences according to the requirement.I play sports every day.She does not play sports every day.Do you playsports every day?一般疑问句 I do not play sports every day.否定句She playssports every day.否定句一般疑问句Does she play sports every day?1.He often _(help)me.2._ Mr.Green _(speak)English or Japanese?3.She _(go)to school by bike4.What _ your mother_(do)?5.Sometimes we_(play)football after school.6.We_ _(not have)much work to do today.7._ you want _(be)a policeman?to beDoes speakgoesdoes doplaydont haveDohelpsHomework:Take notesReview what we have leant today.Thank you!我（I）用am,你（you）用are,Is 连着他（he）她（she）它（it）,单数主语用is,复数主语全用areBe 动词真伟大，生出am,is,are变否定很简单，not 加在be 后面若要变为疑问句，把be 提到主语前
