He had time to pack his suitcase.这句话改成用scarcely改成否定。

①Scarcely had he time to pack his suitcase.

②Scarcely time had he to pack his suitcase.

③He scarcely had time to pack his suitcase.

请问哪种改法是正确的,假如错了请问是哪儿错的呢?

只有3正确,由于用scarcely和when连用的句型时才倒装。