Unit
4
I
have
a
pen
pal知识汇总
询问某人的爱好
问：What
be
sb’s
hobby(hobbies)?
答：1.Sb’s
hobby(hobbies)
be
+
doing
sth.
（某人的爱好是......）
Sb
like(s)
doing
sth.某人喜欢......
例：你的爱好是什么？
What
is
your
hobby
?
My
hobby
is
playing
the
pipa.
What
are
your
hobbies
?
My
hobbies
are
reading
books
and
playing
football.
注：
1.问句中如果是名词修饰“爱好”应变为名词所有格。
2.如果是代词应变为形容词性物主代词。
3.注意“爱好”的单复数情况，如果是单数be动词用is，如果是复数，be动词用are。
4.sb代表某人；sb’s代表某人的；主语为“爱好”
重点词的用法
1.interesting有趣的；
主语通常为：物
The
book
is
very
interesting.
interested感兴趣的；主语通常为：人
Be
interested
in
+代词/名词/doing
sth
I
am
interested
in
the
book.
I
am
interested
in
playing
football.
2.“也”：too/also/as
well/either的区分
①too用于肯定句或疑问句中，位于句尾，通常前有逗号隔开。He
is
an
English
teacher,too.
②also用于肯定句或疑问句中，位于句中，放于情态动词、be动词、助动词之后，实意动词之前。
③either用于否定句中，位于句尾，通常前有逗号。
④as
well
用于肯定句中或疑问句中，位于句尾，前无逗号。
I
am
a
student,too
=
I
am
also
a
student.
I
have
a
pen,too
否定句：I
don't
have
a
pen,either
=I
also
have
a
pen.
=I
have
a
pen
as
well.
I
can
swim,too=I
can
also
swim.=
I
can
swim
as
well.
注：当句中既有be动词又有情态动词时，also放于中间。I
will
also
be
a
teacher.
3.“和”and与or
①and表示“和”，用于肯定句和疑问句中。
I
have
a
ruler
and
an
eraser.
②or表示“和”，用于否定句中。
I
don’t
have
a
ruler
or
an
eraser.
注：在否定句中，连接主语的and不变；or在肯定句中或疑问句中表示“或者”。
John
and
Sarah
like
red
and
blue.
John
and
Sarah
don’t
like
red
or
blue.
4.teach
sb
to
do
sth.教某人做某事。
Mr.Hao
teaches
me
to
play
football.
write
an
email
to
sb.给某人写电子邮件。
I
often
write
an
email
to
my
pen
pal
on
Mondays.
share
sth
with
sb.与某人分享某物。
I
will
share
my
happiness
with
my
friends.
表达时间的相关介词
①at用于具体时刻前；如：at
6
o’clock,at
8:30
②on用于具体某一天，或某一天的上、下午、晚上。
如：on
Monday
morning.
③in用于年、月、季节或泛指的上下午晚上。
in
2008;in
March;in
spring;in
the
morning.
注：在中午at
noon，在晚上at
night。小于一天。
动词单三的变化
在一般现在时中，当主语为第三人称单数时，动词变单三。
have的单三是has
一般动词在词尾加s；如：play-plays；eat-eats
以字母s，x，ch，sh结尾的动词加es；watch-watches
以o结尾的动词一般加es；如：do-does；go-goes
以辅音字母加y结尾的动词，先变y为i，再加es。
如：study-studies
fly-flies
