第3个回答 推荐于2018-04-18
例
The first time he came, I knew what he wanted.
When he came for the first time, I knew what he wanted.
At the first time, I didn't know what he wanted.
for the first time 做时间状语,意思为第一次
the first time 做状语从句的连接词,放在从句前
at the first time 做时间状语,意思为起初本回答被提问者和网友采纳