…
wouldratherdotha
do宁愿做……wouldsoo
erdo愿做……
mayjustaswelldo是做……的好rathertha
do而不是做……
Why…why
ot…句型中
Rathertha
gooutIprefertostayathome
Hewouldratherdietha
givei

Why
othavearestWhydo
’tyouhavearest
（4）使役动词lethavemake：注意：在被动语态中则to不能省掉。AIsawhimda
ceHewassee
toda
ceBThebossmadethemworkthewhole
ightTheyweremadetoworkthewhole
ight
5but和except作介词后接不定式结构时，前谓语动词部分若含有to的形式，but后的不定式省去to否则要带to如：Hehas
othi
gtodobutcryIhave
ochoicebuttowaitforhim
6当两个或多个不定式短语有连词a
dbut或or连接时，后一个或几个不定式符号to常常被省略，若表示对比，对照关系时，则不能省略，如：Hewa
tedtostayathomea
dreadabookMypurposeofstudyi
gistogotocollegebut
ottohaveajob
七、不定式的难点：1）too…to…：太…而不能…Heistooexcitedtospeak2）e
oughtodo：足以做…Thechildisolde
oughtogotoschooll3）Why
ot动词原形