Do it yourself课件1.pptVIP

Unit 4 Do it yourself;Grammar A;Guessing Game;Guessing Game;Turn left.;Turn right!;Guessing Game;Guessing Game;Guessing Game;Be quiet, please.; Go upstairs!;Guessing Game;Read and observe(观察);1. 祈使句(Imperative Sentence)的概念 祈使句表示请求、命令等。它的主语是you（听话人），通常不说出。祈使句肯定结构中的谓语动词一律用动词原形。祈使句末用惊叹号或句号。 2. 祈使句的结构 1) 祈使句的肯定结构 ① Do型（以行为动词原形开头），例如： Sit?down!坐下！? Stand?up!起立！ ;② Be型（以be开头），例如： Be?quiet!安静！ Be?careful！小心！ ③ Let型（let sb do sth），例如： Let?me?try. 让我试试看。 Let’s?look?at?the?map. 让我们看看地图。 ● let’s是let?us的简略式。;2) 祈使句的否定结构，一律在肯定结构前加?Do?not?(Don’t)。例如： Don’t?go?there, please. 请别去那儿。 Don’t?be?late?for?class! 上课别迟到！ Don’t?let?him?in.?不要让他进来。 ;● 表示请求、劝告的祈使句还常常在句前或句末加上please,?构成句式：Please …或 …, please.?以使语气更加缓和或客气。例如： Please?stand?up. Stand?up, please. 请站起来。 Please?have?a?rest. Have?a?rest, please. 请休息一下。 ;祈使句;Millie is teaching her classmates how to make cards to help them remember things better. Look at the pictures and help Millie complete the instruction. ;_____ out pieces of card with a pair of scissors.;_____ some words or a sentence on each card.;_____ a picture about the words or sentence on the other side of the card.;_____ at the picture and ___ to remember what is on the other side.;Please _________ (not) up. ____ trying, and you will find you can remember things better.;中考链接：;Grammar B;e.g. You should know a little about DIY. You should not put so many books on the shelf. Your watch is broken. You had better buy a new one. You had better not be late for school.;当我们给他人提建议时，可以用had better和should，表示“最好”或“应该”做某事， had better的语气比should强一些。 You had better turn off the lights before leaving the classroom. 离开教室前你最好先把灯关了。 You should exercise more. 你应该多锻炼。;had better (常简略为’d better)，是一固定词组，后面必须跟动词原形。构成：had better do sth. 句型。 You’d better go to hospital at once. 你最好立即去医院看病。 Tom, you’d better go there today. 汤姆，你最好今天去那儿。 had better 的否定式是将not直接放在had better的后面 (had better not do sth)。 You had better not miss the last bus. 你最好