［正］ We are already in the classroom now.
［析］ already主要用于肯定句，而yet多用于否定句和疑问句中，如：
Did you finish it? No. not yet.
［误］ Look. Here comes he!
［正］ Look! Here he comes!
［误］ Look! Here the bus comes!
［正］ Look! Here comes the bus!
［析］ 在句子开头用Here时，如主语是人称代词则不要用倒装语序，如果主语是名词则要用倒装语序。
［误］ She is my older sister.
［正］ She is my elder sister.
［析］ elder 和eldest是用来指家庭中兄弟姐妹的长幼关系，而older, oldest 则是指岁数大多少，如：She is three years older than I.
［误］ I'm tired. I can't go further.
［正］ I'm tired. I can't go farther.
［析］ far有两个比较级 farther 较远的，further 进一步的，如：Do you need any further explanation? 你需要进一步的解释吗?当然它也有两个最高级。farthest和furthest.
［误］ I went to Beijing University five years before.
［正］ I went to Beijing University five years ago.
［析］ ago常与过去时连用，而before则多与完成时连用。
［误］ - Have you finished your homework?
- No, not already.
［正］ - Have you finished your homework?
- No, not yet.
［析］ 仍然有三个英文字可以表达它们是already， yet 与 still。 要注意的是 already经常用于肯定句中，如The bus has already gone。 而yet 多用于疑问句和否定句中，如：Have you finished your homework yet? 而still则常用于主语与谓语动词之间，如：We still can't decide what to do. 但也有时用于be 动词之后，如：He is still here.
［误］ He is very higher than I am.
［正］ He is much higher than I am.
［析］ much可以用来修饰比较级，而very则用来修饰形容词原级，如：I'm very tired.
［误］ - Can I walk to the station?- You'd better not. It is very far.
［正］ - Can I walk to the station?
- You'd better not, It is a long way.
［析］ for一般用在疑问句与否定句中，如：How far is it from here to the station? 又如：It isn't far.
［误］ I've ever been to America.
［正］ I've been to America once.
［析］ once 多用于肯定句，而ever则用于疑问句，否定句，及条件状语从句中，如：Have you ever been to London?
［误］ - Could you pass the exam this time?
- No, I am not afraid so.
［正］ - Could you pass the exam this time?
- No, I'm afraid not.
［析］ 在肯定的答语中我们可以用so来代替上句所讲的事件，如：Do you think she is a good student? Yes I think so, /I hope so, /I believe so/ I'm afraid so.但在否定的答语中，英语口语的习惯用法则有所不同，如，I don't think so 而在hope, belive 与 afraid后则常用not， 如：I hope not.
［误］ She didn't work enough hard, so she couldn't pass the exam.
［正］ She didn't work hard enough, so she couldn't pass the exam.
［析］ enough 可以作名词用，如：Enough has been said for how to learn English well. (对于如何学好英语已经讲的足够多了。)另外它可以作为形容词，如：I have enough money (or money enough) to buy this dictionary. 注意 enough作为形容词时即可放于名词前又可放于名词后，在初中范围的考题中多用于名词之前。如果enough 作为副词用，那么它一定要放在被修饰的形容词或副词之后。
［误］ You can't be very careful.
［正］ You can't be too careful.
［析］ 此句话的含意是你如何小心也不过分。too…to的用法是"太……以至于不能作某事"。但在实际应用时也常常将后面的to省去，如：It is too expensive for me.那对我来讲是太贵了。
［误］ He is good past fifty.
［正］ He is well past fifty.
［析］ well 作为副词用时除用于"好"之外还有"大大地、远远地"，等意。往往有人对下面两句的对或错有争议；
He is well.
He is good.
其实这两句都是正确的表达法，只不过其含意不同。He is well是"他身体不错"，而He is good 则为"他是个好人"。
［误］ She is not as half clever as her brother.
［正］ She is not half as clever as her brother.
［析］ 在as…as结构中要将修饰形容词的数量词倍数及nearly, almost, exactly… 等置于第一个as之前。
［误］ He is same age as Tom.
［正］ He is the same age as Tom.
［析］ the same…as是固定的用法，其中定冠词the是不可省也不能换成别的词的。
［误］ Mother and her daughter are exactly like.
［正］ Mother and her daughter are exactly alike.
* like 作为介词，其意为"像"，应用于 look like, be like, sound like, 其后要加宾语。而 alike 是形容词，或副词，如: You and I think alike. The twins are dressed alike。 但 alike 仅作表语而不能用于名词前作定语。
［误］ Who is taller of the two?
［正］ Who is the taller of the two?
［析］ 两者的比较级之前要加定冠词。
［误］ I have less books than Tom.
［正］ I have fewer books than Tom.
［析］ less 是 little的比较级，而fewer是few的比较级。less后应加不可数名词而fewer后是可数名词。
［误］ There are three girls in my group. The cleverer is Mary.
［正］ There are three girls in my group. The cleverest is Mary.
［析］ 在两者之间应用比较级，在三者之间或三者以上的范围内应用最高级。
［误］ The boy sat there as quiet as his sister.
［正］ The boy sat there as quietly as his sister.
［析］ as…as的用法要注意的是：①在其中间应加形容词或副词的原级，而不可加比较级，也有的语法书中称为同级比较。②要根据句意决定是加形容词还是副词，这要看它具体是修饰动词还是名词而定，如：He is as good as his friend.
［误］ The harder you study, and you can learn more.
［正］ The harder you study, the more you can learn.
［析］ 英文中如果要表达越来越怎样，在初中范围有两种表达法：①比较级+and+比较级。②定冠词+比较级……，如：The nights are getting longer and longer。 要注意的是多音节形容词的比较级前要加more，这样的用法是：more and more 加形容词，如：The girl is growing more and more beautiful.
［误］ Studying physics is not so interesting as to learn English.
［正］ Studying physics is not so interesting as learning English.
［析］ 在作比较时，英语一般要求对比的两部分结构应一致。如用动名词，应都用动名词，用不定式时则都用不定式。但有时在后一个不定式前的符号to可以省略。如：To repair the old one is as much expensive as (to) buy a new one.
［误］ The girl is more cleverer than the boy.
［正］ The girl is much more clever (much cleverer) than the boy.
［析］ clever有两个比较级：cleverer和more clever,要注意的是不能用比较级来修饰比较级。clever的两个比较级也各有不同之处，如用在两种不同性质的比较时多用more clever,如：He is more clever than honest. (他的聪明要远远超过其诚实。)
［析］ The boy is the tallest to the three.
［正］ The boy is the tallest of the three.
［析］ 最高级的范围要用of加复数形式或加集合名词。
［误］ This book is one of the most useful dictionary.
［正］ This book is one of the most useful dictionaries.
［析］ 在one of 后面最高级形容词后要加可数名词复数。
［误］ This dictionary is the much best one of the EnglishChinese dictionaries.
［正］ This dictionary is much the best one of the EnglishChinese dictionaries.
［析］ 在修饰最高级时应用 far/by far/much 加the加最高级。但very例外，如：He is the very best player in the team.
［误］ Shanghai is bigger than any other cities in China.
［正］ Shanghai is bigger than any other city in China.
［析］ 在比较级中表示比较对象时如用any other其后一般要加单数名词。
［误］ Most of stories in this book are written in English.
［正］ Most of the stories in this book are written in English.
［正］ Most stories in this book are written in English.
［析］ "大多数"一词的表达法有most of the +名词，或most+名词。当用前一种结构时，其后面的定冠词不可少。
［误］ The temperature of that room is higher than this room.
［正］ The temperature of that room is higher than that of this room.
［析］ 比较级用于两句话之间时，比较的部分不可省略掉，但为了避免重复，一般都要用that代替前面的单数名词，而用those代替前面的复数名词，如：The books in that box are bigger than those in this box。
［误］ He is no more here. Maybe he is at home.
［正］ He is no longer here. Maybe he is at home.
［析］ no more在现代英语中多译为："从此再也不会了"，如：His voice is no more here. 他已经去世了，他的声音不可能再出现了。而用no longer 表达目前的状态。要注意下面几组句子的实际含意：This room is no cleaner than that one.即两间屋子都不干净。(两者都不干净) This room is not cleaner than that one,即这屋子不如那间干净。(前者不如后者干净。即一间干净，一间不干净。)
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