新初一下Unit4.ppt
Dont fight with your classmates.Tell your classmate what the rules should be. Dont listen to music in the classroom.Dont arrive late for school.Dont run in the hallways. Dont eat in the classroom. You must eat in the dining hall.Whats the rule?Dont see friends on weekends.see friends, on weekendsWhats the rule?Do my homework first when I get home.Whats the rule?Read a book before you can watch TV.Whats the rule?Play basketball only on weekends.on weekendsWhats the rule?make dinner, every day Help your mom make diner every day.Whats the rule? Practice the violin for an hour after dinner.after dinner, for an hour 祈使句：也叫命令句，表示命令，要求，建议等的句子叫祈使句。 祈使句的结构:以动词原形开头：Do sth. 否定祈使句:在动词原形前加dont Dont do sth. Dont fight with your classmates.You cant fight with your classmates.Tell your classmate what the rules should be. Dont listen to music in the classroom.You cant listen to music in the classroom.You can listen to music in the classroom.Dont arrive late for school.You cant be late for school.You musthave to get to school on timeDont run in the hallways. You cant run in the hallway.You can walk in the hallway.Dont eat in the classroom. You cant eat in the classroom.You musthave to eat in the dining hall.Whats the rule?Dont see friends on weekends.You cant see friends on weekends.see friends, on weekendsWhats the rule?Do your homework first when you get home.You have tomust do your homework first when you get home.Whats the rule?Read a book before you can watch TV.You must read a book before you can watch TV.Whats the rule?Play basketball only on weekends.Dont play basketball only on weekends. You cant play basketball on weekdays.on weekendsWhats the rule?make dinner, every dayYou have tomust help mom make diner every day.Help your mom make dinner every day. Make rules 1.祈使句。Do sth. Dont do sth. 2.cancant.You cancant do sth. 3.must: You must do sth. You mustnt do sth. 4:have to do sth: You have to do sth. You dont have to do sth. 注明：写告示，制定班规，校规等要用祈使句。Whats the rule?You have tomust practice the violin for an hour after dinner. Practice the violin for an hour after dinner. after dinner, for an hour
