一、基本请求与命令
直接命令
- Open the window. (打开窗户)
- Turn off the lights. (关灯)
委婉请求
- Please pass the salt. (请递盐)
- Could you help me with this task? (你能帮我做这个任务吗?)
二、温柔劝告与建议
日常提醒
- Be careful on the stairs. (上楼梯小心)
- Walk quietly. (轻声走动)
建议性表达
- Let's go for a walk. (我们去散步吧)
- Consider wearing a coat. (考虑穿件外套)
三、警告与禁止
安全提示
- Watch out! There's a dangerous animal. (小心!有危险动物)
- No smoking in the office. (办公室禁止吸烟)
明确禁止
- Don't touch that hot stove. (不要碰那个热炉子)
- Stay away from the water. (远离水域)
四、特殊结构祈使句
省略主语
- (You) Open the door, please. (请开门)
倒装结构
- Here comes the bus! (公交车来了!)
五、反意疑问句
Let's not forget to call you back. (我们别忘了回电话,好吗?)
注:祈使句通常省略主语(you),且以动词原形开头,句末用感叹号或句号。不同动词原形对应不同语气,如be动词表状态,实义动词表行为。