八年级上册英语中,动词后接 to do和 doing的用法需根据具体语境区分,以下为常见分类及例句:
一、后接 to do的动词
表示将来的动作 - The movie starts at 7 PM
.(电影7点开始,表示未来时间)
- We need to finishthe homework before dinner.(我们需要在晚餐前完成作业)
表示目的或意图
- She decided to callyou last night.(她昨晚决定给你打电话)
- The company plans to launcha new product next month.(公司计划下月推出新产品)
部分固定搭配
- Agree to do(同意做某事):
- Do you agree to help with the project?
- Choose to do(选择做某事):
- Which movie do you choose to watch tonight?
- Ask to do(要求做某事):
- Can I ask you a question?
二、后接 doing的动词
表示习惯或经常发生的动作
- I practiceplaying the guitar every day.(我每天练习弹吉他)
- She enjoysreading books in her free time.(她喜欢空闲时读书)
表示持续状态或过程
- The cake bakes for 30 minutes.(蛋糕烤30分钟)
- The river flowsall year round.(河流全年流淌)
感官动词后接 doing
- I hearthe birds singing outside.(我听到外面鸟儿在唱歌)
- She seesthe sunset every evening.(她每天傍晚看日落)
三、典型错误辨析
forget: forget to do(未做):He forgot to turn off the lights.(他忘记关灯) forget doing(已做):I forgot having dinner with you last night.(我忘记昨晚和你吃晚餐了) begin/start
用 doing表示长期活动:
- The company begins toexpand next year.(公司明年开始扩张)
用 to do表示短暂动作:
- The movie begins toshow at 7 PM.(电影7点开始放映)
四、补充说明
感官动词(如see, hear, watch)后必须接 doing:
The concert sounds amazing.(音乐会听起来很棒)
情态动词(如can, must)后接 to do:
You must finishyour homework before you go out.(你出去前必须完成作业)
通过以上分类及例句,可系统掌握八年级上册中动词后接 to do和 doing的用法区别。