Who knows why a for-PP is felicitous in (102) but an in-PP is only felicitous in negation?
1) He has worked for six months.
2) He hasn't worked for six months.
3) He hasn't worked in six months.
4) *He has worked in six months.
1) He has worked for six months.
2) He hasn't worked for six months.
3) He hasn't worked in six months.
4) *He has worked in six months.
[本贴已被 动态语法 于 2005年08月19日 02时19分27秒 编辑过]