Unit8Howdoyoumakeabananamilkshake?单元清祈使句•1．祈使句的定义。•用于表达命令、请求、劝告、警告、禁止等的句子叫作祈使句。•2．祈使句的用法。•肯定祈使句以动词原形开头。祈使句的动词都为一般现在时，句末则使用句号或感叹号来表示结束。•【注意】祈使句因对象(即主语)是第二人称，所以通常都省略主语。•3．祈使句句型结构。•(1)肯定结构：•①Do型[即：动词原形(＋宾语)＋其他成分]•Pleasehaveaseathere.请这边坐。•②Be型[即：Be＋表语(名词或形容词)＋其他成分]•Beagoodkid！要做一个好孩子！•③Let型(即：let＋宾语＋动词原形＋其他成分)•Letmehelpyou.让我来帮你。•(2)否定结构：•①Do型和Be型的否定式都是在句首加don't。•Don'tbelateforschool！上学不要迟到！•②Let型的否定式有两种：Don'tlet＋宾语＋动词原形＋其他成分；Let＋宾语＋not＋动词原形＋其他成分。•Don'tlethimgo./Lethimnotgo.别让他走。•◆写作案例•假如你是Tom，请根据邮件内容及所给信息，给王刚回一封电子邮件。•DearTom，•Howareyou?•I'mwritingtoaskyousomethingaboutcooking.Mygoodfriendswanttospendthisweekendwithme.Iwanttomakefruitsaladforthem.ButIdon'tknowhowtomakeitwell.Canyouhelpme？PleasetellmewhatIneedandwhatIshoulddo.•Ihopetohearfromyouassoonaspossible.•Yours，•WangGang•原料：四根香蕉，三个苹果，半个西瓜，或者其他水果，蜂蜜，奶酪。•步骤：全部切碎放在碗里面；加蜂蜜和奶酪；搅拌均匀。•◆思路点拨•这是一篇关于物品的制作流程的文章。我们在写作时，先写原料和设备；再写制作流程，写流程可运用表示步骤的first，next，then与finally等词汇；最后写出评价和总结。•◆高分模板•引出话题：wanttomakefruitsalad，needfourbananas，threeapples，andahalfwatermelon...•制作好后的感受：...enjoyitwithyourfriends.•◆美文欣赏•DearWangGang，•I'mgladtohearfromyou.Youwanttomakefruitsalad.Youneedfourbananas，threeapplesandahalfwatermelonorotherfruits，andyoualsoneedsomehoneyandyogurt.•First，washandcutupallthefruits，andputthemintoabowl.Next，addtwospoonsofhoneyandacupofyogurttothefruit.Then，mixupeverything.Finally，servethefruitsaladandenjoyitwithyourfriends.•Ihopeit'shelpfultoyou.•Yours，•Tom
