stay at是动词短语吗

stay at是动词短语吗 stay at是动词短语吗?昨天你呆在家里吗?用英语怎么说 stay是系动词吗 My first stay at home alone was unusual.动词短语可以做主语?stay不应该改成s 动词短语与短语动词区别 比如说work at 它既可以说成动词短语也可以说成短语动词 这是为什么? stay at home是固定用法吗? 我想问一下look at是介词短语?look after是动词短语 stay是行为动词还是系动词? think of 是动词短语吗 burst into laughter 是动词短语吗 be likely to是短语动词吗? make clear 是动词短语吗?