it is...for sb. to do...和it is...of sb. to do...的用法

Question

如题所述

Answer 1

."It
is＋形容词＋of
sb.to
do
sth.."和"It
is＋形容词＋for
sb.to
do
sth.."这两个句型使用频率都很高。前者表示说话人对客观事物的高兴、惊讶、遗憾、难过等情绪，表现的是人的性格、品质或特征，经常可以转换成：①How＋形容词＋it
is＋of
sb.to
do
sth.！②How＋形容词＋of
sb.to
do
sth.！③Sb.＋is＋形容词＋to
do
sth..或④That
is＋形容词＋of
sb.to
do
sth.等；后者表示说话人对客观事件的决断性，根据具体情况可以转换成：①To
do
sth.is＋形容词；②It
is＋形容词＋that从句。如：
　　It
is
possible
to
work
out
whether
you
will
save
or
lose
money
by
increasing
the
temperatureby1℃.(利用计算机)能够计算出温室里的温度升高一度会使你赚钱还是赔钱。
　　Is
it
necessary
to
complete
the
design
before
National
Day?在国庆节前完成这一设计有必要吗？
　　It
is
stupid
of
him
to
refuse
the
invitation.他拒绝了邀请，真是件错事。
　　上一句可转换成：How
stupid
it
is
of
him
to
refuse
the
invitation!
　　或How
stupid
of
him
to
refuse
the
invitation!
　　或He
is
stupid
to
refuse
the
invitation.
　　It
is
better
for
you
to
live
alone
for
sometime.你单独住一段时间更好。
　　上一句可转换成：To
live
alone
for
sometime
is
better.
　　或It
is
better
that
you
live
alone
for
sometime.