Question

动词不定式开头与动名词开头作主语有什么区别啊

Answer 1

动名词表示经常性习惯性的动作，不定式强调一次性动作。例如：
Raising
pigs
is
his
work.
To
raise
pigs
is
what
he
is
going
to
do
this
afternoon.

Answer 2

一般情况可以互用，但是动名词强调的是抽象的，比如Flying
is
my
dream.
不定式强调形象的动作，比如To
do
that
is
terrble。