一、表示地点的介词短语作补语
1. The cat is sleeping under the tree.(猫正在树下睡觉)
2. The meeting started in the conference room.(会议在会议室开始)
3. The company is located in New York.(公司位于纽约)
二、表示时间/副词的介词短语作补语
1. The movie started at 8 PM.(电影在晚上8点开始)
2. The letter arrived yesterday.(信件昨天到达)
3. The problem occurred suddenly.(问题突然发生)
三、表示原因/目的的介词短语作补语
1. The project was delayed due to the weather.(项目因天气延误)
2. She went to the hospital for a check-up.(她去体检了)
3. The company launched the new product to meet demand.(公司推出新产品以满足需求)
四、表示方式的介词短语作补语
1. The artist painted the portrait with oil.(艺术家用油画绘制肖像)
2. The company markets its products online.(公司在线销售产品)
3. The letter was delivered by the courier.(信件由快递员送达)
注:需注意,介词短语作补语时,介词后通常接名词/动名词,如"in the meeting"(在会议中)、"on time"(准时)等。若介词后为副词(如"very well"),则属于状语而非补语。