2012年12月大学英语四级语法:不定式6' @; o0 y5 ]/ \) T5 Y1 b
带疑问词的不定式短语 R5 h5 M1 W; h, |" t" q% u
不定式前可以加某些疑问代词,如who、what、which,或疑问副词,如when、where、how、why等,构成一种特殊的不定式短语,可在句子中作主语、宾语、表语或状语等。1 G9 r9 I W( a+ S. T
How to improve English is often discussed among the students。中华考试网 1 M5 ?6 d/ E1 u6 c& ~; Q We haven’t decided when to visit the place。! K+ E! o; c" P9 S0 w& W
The most difficult thing in learning English is how to speak the language well。& m. f3 {" T# _5 w' A8 K0 p9 Q
You haven’t answered my question where to get these books。