screeching

grammar · medium

易错句子We heard many screeching coming from the street last night.

正确表达We heard a lot of screeching coming from the street last night.

表示连续不断的刺耳尖叫声时，screeching 是不可数名词，不能直接与 many 搭配；many 只修饰可数复数（如 many screechings，指一声声尖叫）。要表达数量多，应用 a lot of 或 much。

grammar · medium

易错句子The tires screeching loudly when the car stopped.

正确表达The tires screeched loudly when the car stopped.

英语句子必须有限定动词作谓语，单独的 -ing 形式不能充当谓语，否则成为残缺句；这里描述过去发生的动作，应把 screeching 改为一般过去时 screeched。