1.
Form the possessive singular of nouns by adding 's.
单数名词不管词尾是什么，都加's变成所有格
Charles's friends
Burns's poems
例外
Jesus'
固定搭配
for conscience' sake（为了良心）;
for righteousness' sake（为了正义）。
如果不确定，可以查词典看例句，判断是否属于例外。
2.
The number of the subject determines the number of the verb.
【2011版已删】
主谓单复数一致
主语和谓语动词之间的词不影响此规则
，比如：
The bittersweet
flavor
of youth-its trial
s
, its joy
s
, its adventure
s
, its challenge
s
-
is
not soon forgotten.【本句主语是flavor，谓语动词是is，不受中间joys等复数名词的影响。】
注意
one of xxx+定语从句，从句中的谓语动词应用复数
。
one
of the ablest m
e
n who
have
solved the problem【因为这里who引导的定语从句形容的是the ablest men，应用复数形式have，而不能看到前面的one，用has。】
each, either, everyone, everybody, neither, nobody, someone+单数形式谓语动词
none
①
表示no one, not one时，后面谓语动词用单数形式
None of us
is
perfect.
②
表示“一个以上的人/物”时，谓语动词常用复数
None
are
so fallible as those who are sure they're right.
由and连接起来的复合主语通常谓语动词用复数；但约定俗成的bread and butter, give and take, the long and the short（要点）等除外
。
单数主语+with, as well as, in addition to, except, together with, no less than，谓语动词用单数形式。
3.
Use the proper case of pronoun.【2011版已删】
代词的格要用对
一般不要省略动词
，比如
He loves cake more than
me
.应写作：
He loves cake more than
he loves me
.
动名词（gerund）通常用所有格（possessive case），现在分词（present participle）要用宾格
：
Mother objected to
our driving
on the icy roads.
They heard
him singing
in the shower.
4.
A participle phrase at the beginning of a sentence must refer to the grammatical subject.
位于句首的分词短语必须和句子主语相关
× On arriving in Chicago,
his friends
met him at the station.
√ On arriving in Chicago,
he
was met at the station by his friends.
5.
In a series of three or more terms with a single conjunction, use a comma after each term except the last.
and前面的逗号不要忘
√ a, b, c
,
and d.
× a, b, c and d
6.
Enclose parentheric expressions between commas.
parentheric expressions指插入语，
插入语前后都要有逗号
。
具体提到的一些类型：
①
日期
Febrary to July
,
1992
April 6
,
1986
日期最佳书写方法
：6 April 1988
②
人名
Well
,
Susan
,
this is Alice.
③
etc. i.e.和e.g.作插入语时
：
a, b, c, etc
.,
should be done.
We buy products imported from many countries,
e.g.,
France, Germany, and Japan.
7.
P
lace a comma before a conjunction intrducing an independent cluase.
and, for, while等词前应该有逗号
。
如果第二个独立分句前面出现了从句(if we try our best)，则连词后不需要逗号
：
①It's very dangerous,
but
if we try our best, ②there is still one cahnce of escape.
前后分句的主语相同且只出现一次时，but前用逗号，and前逗号可省略
：
I have heard his arguments
,
but
am still unconvinced.
