第2个回答 2020-03-15
动词不定式用法解读动词不定式是一种活跃的非谓语动词。它在句中起的是名词。形容词或副词的作用,可在句子中作主语。宾语。定语。状语和宾语补足语。动词不定式的形式是#to
+动词原形#,但to有时要省去。动词不定式在具体运用时,用不用to,取决于谓语动词的用法:
一。带to的不定式结构
1.我们学过的能直接跟带to的不定式结构的动词主要有:want,
ask,
tell,
hope,
learn,
try,
decide,
forget,
remember,
like
,love,
stop,
go,
come等。
2.动词不定式的否定形式是在不定式前直接加not,即not
to
do
sth.。例如:
Jim
told
me
not
to
wake
up
Kate.吉姆告诉我别叫醒凯特。
二。不带to的不定式结构
下几种情况使用不带to的动词不定式:
1.在固定词组had
better之后。注意:had
better的否定形式是had
better
not
do
sth.。例如:
You
had
better
go
home
now.你最好现在回家。
It]s
cold
outside.
You]d
better
not
go
out.外面很冷,你最好不要出去。
2.在let,make,see,
feel,
watch,hear等感官或使役动词后,要跟不带to的动词不定式作宾语补足语。例如:
I
made
them
give
me
the
money
back.我迫使他们把钱还给我。
I
didn]t
see
you
come
in.我没看见你进来。
介词(preposition):也叫前置词。在英语里,它的搭配能力最强。但不能单独做句子成分需和名词或代词(或相当于名词的其他词类、短语及从句)构成介词短语,才能在句中充当成分。
介词的种类:
(1)简单介词:about,
across,
after,
against,
among,
around,
at,
before,
behind,
below,
beside,
but,
by,
down,
during,
for,
from,
in,
of,
on,
over,
near,
round,
since,
to,
under,
up,
with等等。
(2)合成介词:inside,
into,
outside,
throughout,
upon,
without,
within
(3)短语介词:according
to,
along
with,
apart
from,
because
of,
in
front
of,
in
spite
of,
instead
of,
owing
to,
up
to,
with
reguard
to
(4)分词介词:considering,
reguarding,
including,
concerning