17 ．before long / long before
before long：很快，不久。可用于各种时态。
例755：Before long he had to move on again .不久，他又不得不继续前进。
例756：I think I’ll meet him before long .我想我很快就会见到他
long before：很久以前，老早。可单独使用，也可带从句。
例757：He said he had seen the film long before 他说他早看过这部电影。
例758：I had seen the film long before he saw it 在他看这部电影之前，我早就看过。
注意，以下的long before在意义上是分开的：
例759：It won’t be long before we meet again 我们不久还会见面。
例760：It was not long before he returned to his motherland 不久他回到祖国。
18 ．late / later / latest / lately / last / latter
late：晚，迟。later：以后，后来 与late的比较级同形 。latest：最新的。lately：最近。last：上一次，最末了。latter：后者。
例761：Have you heard from Jack lately ? 你最近有杰克的消息吗？
Yes, he went to Jamestown on, business last week 是的，他上星期去詹姆斯敦出差，
One night he returned to his hotel late, and met a robber in the street 一天晚上他很晚回到他的旅馆，在那条街上遇到了一个强盗，
He fought bravely with a robber . Later, the police came and the latter was seized .他勇敢与强盗搏斗，后来警察来了，后者被抓住了。
Well this is the latest news for me! 好吧，这是我的最新消息！
19 ． no longer / no more
no longer：不再，已不。侧重于时间关系，相当于not any longer，当状语。
例762：The Greens no longer lives here .格林一家不再住在这里了
They no longer had him as a friend. 他们再也不把他看成朋友了。
no more：不再，再也不。侧重于数量关系；当状语时，相当于not any more，还可以当定语。
例763：Since we’ve got no more chances we’ll not go there any more . 既然我们不再有机会，我们就不再去那里了。
I've had enough of your insolence and I'm having no more. 我受够了你的侮辱，不能再容忍了。
No more than that.如此而已
20 ．still / yet
still：仍然，还。表示某事仍在继续之中，多用于肯定句中，常与一般时态、进行时态或完成时态连用；在修饰比较级或加强语气时，可放在被修饰词的前面或后面，此时是“更加”的意思。
例764：Just at that moment he woke up still shaking from the terrible dream .就在那一刻，他醒了，仍然从可怕的梦中颤抖。
例765：It was cold yesterday but today it is colder still .but today it is still colder . 昨天很冷，但是今天更冷。
例766：After two hours the dog was still there .两小时后，狗还在那里。
例767：The plane still has not taken off 飞机还没起飞。
例768：Tom’s brother suffered a still worse fate 汤姆的兄弟命运更糟。
yet：仍然，还 强调某事尚未完成，但不一定要继续，多用于疑问句和否定句中 ；yet 然而，。
例769：My task is not yet finished .我的任务尚未完成
例770：Though he is over sixty yet he is strong .虽然他已经六十岁了，但他很强壮
21 ．too / also / as well / either
too：也。通常用于肯定句中；常放在句末，但有时为了不引起含糊不清的感觉，把它紧放在所修饰的词之后。
例771：Mother was angry too .母亲也很生气
例772：I too have been to Paris 这里明确表示人家去过巴黎，我也去过。而不是我除了去过某地以外，还去过巴黎。
also：也。通常用于肯定句中；一般靠近动词。
例773：He also asked to go .他也要去。
as well：也。通常用于肯定句中；常放在句末，除了在may / might as well搭配中。
例774：He knows English and Japanese as well .他懂英语，也懂日语
例775：You might as well take a taxi if no bus for you 如果没有公交车，你也可以打的。
either：也。通常用于否定句中，而且要放在句末。
例776：If you do not go I shall not either .如果你不去，我也不去
22 ．too much / much too
too much：太多 后接不可数名词 ；太过分 后接for短语 。
例777：There is too much work today .今天工作太多了
例778：The problem is too much for the five-year-old boy .这个问题对这个五岁的男孩来说太过分了
much too：太。比too语气强，相当于far too，rather too等；其后接形容词和副词。
例779：The problem is much too difficult for the five-year-old boy .这个问题对这个五岁的男孩来说太难了。
23 ．very / quite / fairly / rather
very，quite，fairly和rather都有“十分”的意思。rather可用于修饰形容词或副词比较级，也可放在too 太 之前，very，quite和fairly则不可以。另外，very通常不修饰以a字母开头的形容词 如afraid alone asleep aware ashamed等，而要用much修饰 ，也不直接修饰动词；quite侧重于“完全地、彻底地”，相当于completely或entirely，可修饰形容词、副词或动词；fairly侧重于“还算”，通常修饰“使人感到愉快的”形容词或副词；rather侧重于“极，相当”，通常修饰表示“使人感到不愉快的”的形容词或副词。
例780：Instead of using “I very like English” we often express “I like English very much ”
我们不说“我非常喜欢英语 ”，通常说“我非常喜欢英语”。
Quite right It’s very important 完全正确。这一点很重要。
I am very glad to make a speech here in this class again! This time I'd like to talk something about English. 我是非常很高兴再次发表这里在这堂课中演说！这次，我愿意关于英语谈论某样东西。
I was born very like the English but I can not abandon it. 我是天生就很喜欢英语的，可是我不能放弃它。
例781：His pronunciation is fairly good but his handwriting is rather poor .他的发音相当不错，但他的笔迹却相当差
I'm fairly certain I can do the job.我有相当把握能干这项工作。
I know him fairly well but I wouldn't say we were really close friends.我相当了解他，但并不是说我们是真正的密友。
She fell and hurt her leg rather badly.她跌倒了，腿伤得相当重。
I didn't fail the exam; in fact I did rather well! 我没有考不及格，事实上，我考得不错！
I quite agree with you .我很同意你的看法
He plays quite well.他表现得相当好。 颇；相当；某种程度上 不与否定词连用
I don't quite know what to do next.我不太清楚下一步该怎么办。“完全地、彻底地”与否定词连用
1 ．above / over / on / up
above：在……之上。指某物高过于另一物，与below相对。above与最低限度或某固定点关联：
Temperatures will not rise above zero tonight.今天夜间的温度不会高于零度。
例782：The water came above our knees 水深及膝之上。
We were flying above the clouds.我们在云层上面飞行。
over：在……之上。指某物在另一物的正上方，互不接触，与under相对。
over与数目、数量、年龄、金钱和时间连用：
例783：The lamp hangs over the table .灯挂在桌子上
We waited over two hours.我们等了两个多小时。
on：在……之上。指某物在另一物的上面，并相互接触。
例784：The lamp stands on the table .灯立在桌子上。
a picture on a wall.墙上的画
Put it down on the table.把它放在桌子上。
She climbed on to the bed.她爬上了床。
up：在……之上。指由低向高。
例785：As they went up the mountain they had to stop from time to time .当他们上山的时候，他们不得不不时地停下来。
The sun was already up (= had risen) when they set off. 他们出发时太阳已经升起了。