2023年初中英语动词加ing做谓语情况
2022-12-07 17:32:57佚名
动词加ing做谓语情况
做谓语时动词加ing前面必须加上be动词,形成be+动词ing(现在分词)作句子谓语,构成进行时态句子。例如:He is reading a book now.他正在看书.He was watching TV when his mother came in.他妈妈进来时,他正在看电视。
They've been waiting for you for three hours.他们等你三个小时了.
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