《2025年系统集成新课程同步导学练测高中英语必修第二册》

2. while 引导时间状语从句
Despite the cold outside，their happy faces fill the air with warmth while merry laughter rings throughout the house.
虽然外面很冷，但他们快乐的面孔让空气充满了温暖，快乐的笑声响彻整个房子。
【归纳拓展】
while 作从属连词时，引导时间状语从句，从句谓语必须用延续性动词，强调主句和从句中谓语动词所表示的动作同时发生。while 作从属连词时，还可以引导让步状语从句。
while 用作并列连词时，意思为“而，然而”，表示前后意义上的对比或转折。
The contradiction between parents and children is that parents treat their children as children while children treat themselves as adults.
父母和孩子间的矛盾在于父母把孩子当孩子，而孩子把自己当大人。
I argued for the plan while my elder sister argued against it.
我赞成这个计划，而我的姐姐反对它。
While Jim was mending his bike，Lin Tao came to see him.
正当吉姆修自行车时，林涛来看他。
While he understands your idea，he doesn't agree with you.
虽然他理解你的想法，但他还是不赞同你。
【活学活用】
写出下列句子中 while 的含义
①While Cathy was watching the Olympics，a dream came into her sweet little head—to be a swimmer. 当……时
②Some children lived with an older lady in a shelter while others slept on the streets. 而
③While online shopping has changed our life，not all of its effects have been positive. 虽然/尽管

答案： ①当……时 ②而 ③虽然/尽管