【英语】有关非谓语动词的题,
问题描述：
【英语】有关非谓语动词的题,
1.( ) the project in time,staff were working at weekends.
A.Completing B.Having completed C.To have completed D.To complete
为什么不选C,而选D?请详解.给我讲讲非谓语动词吧,我这一块很不明白.
答
选D.
考查动词不定式的用法.
此处,动词不定式作目的状语.句意为：为了及时完成计划,全体员工在周末也工作.
C项是动词不定式的完成式,只表结果,不表目的.