【问】 I shall go there on next Friday.这句话有错误吗?

【答】 当next，this，last，every，each，any，all与时间词连用时，前面是不加介词的。

1. Is he coming this weekend or next weekend? (OSD)

他是这个周末来，还是下个周末来?

2. We met last week[month/year]. (ECD)

我们上周[上月/去年]见过面。

3. Every afternoon Raoul called to ask after her.(Macaulay)

每天下午劳乌尔都要打电话问候她。

4. He went to a play every Saturday night. (Maugham)

每周六晚上他都要去看戏。

5. Come any day you like. (BEV)

你愿意哪天来就哪天来。

6. It has been raining all day.(Yeats)

下了一整天雨。