八年级英语上册Unit2Howoftendoyouexercise语法小结素材新版人教新目标版

Unit 2How often do you exercise 语法小结 1. how often是对动作发生的“次数”提问,询问的是频率 “多久一次” 回答可以是：Every day./ Once aweek./Three times aweek./ Often./ ... eg：How often do you play tennis? How often do you surf the internet. 2．拓展疑问词how的用法 （1）怎样，用什么手段，方法。 How did he do it? Idon’t know how to swim. （2）情况如何（指身体健康状况） How are you? How’s it going with Tom? （3）how many，how much表示“多少” how many后接可数名词复数，how much接不可数名词。 How many times do you go to the park? How many tickets do we need? How much water do we need every day? How much are those pants? (4) How long... ?询问的是时间长短“多长时间” 回答可以是：About one hour./ Three hours. /Thirty minutes./...How long do you usually watch TV? 你通常看多长时间电视？