关于too和enough
too和enough皆可修饰名词、形容词和副词。Too表示的是程度深或数量多。Enough则意味着程度或数量超出所需要的范围。这里是一些例子：
She's too sad these days. I wonder what's wrong.
她这些天都太悲伤了。我想知道发生了什么。
I don't have enough sugar. Let's go to the supermarket.
我没有足够的糖。我们去超市买吧。
You're driving too slowly!
你开车太慢了！
There are too many students in this class. It should be smaller.
班上的学生太多了。我们应该采用小班教学。
This test is difficult enough already!
考试已经够难了！
We have too much pollution in the world.
我们已经造成太多的污染了。
1.关于enough
阅读下面的例子，你会发现，enough有时候位于它所修饰的词语前。例如：
What do we need for dinner? I think we have enough vegetables, don't we?
晚饭还需要准备些什么？我觉得蔬菜已经足够了，不是吗？
She feels that Tom has more than enough time to help.
她感觉汤姆有足够的时间来帮忙。
在其他的例子中，enough位于它所修饰的词语后面，例如：
You should ask John for help he's rich enough to help us all!
你应该向约翰求助，他那么有钱，一定可以帮到我们的！
I don't think they are smart enough to take that class.
我觉得他们的智商不足以应付这门课。
看一看上面例子中被enough所修饰的词语。你会发现，enough位于名词vegetables（蔬菜）和time（时间）的前面，位于形容词rich（富裕的）和smart（聪明的）后面。如果你不能很好地区分名词和形容词，可以回顾一下词性方面的知识。
a.形容词+enough
当我们将enough作为副词使用，用来指代要求的程度或范围时，直接将enough放在所修饰的形容词后面
He's not patient enough to understand children.
他在理解孩子方面不够耐心。
My friend wasn't intelligent enough to take the job.
我朋友不够聪明，还无法胜任这份工作。
b.副词+enough
当enough作为副词来指代要求的程度或范围时，将enough直接放在它所修饰的副词后面。
Peter drove slowly enough for us to look at all the houses.
皮特将车开得慢，好让我们能够欣赏所有的房子。
The students studied carefully enough to do well on the exam.
为了考出好成绩，学生们认真学习。
c.Enough + 名词
直接将enough放在名词的前面，从而用来表述该名词的数量满足要求。
Do you have enough money for your vacation?
你度假的钱够吗？
I'm afraid we don't have enough oranges to make the dessert.
恐怕我们没有足够的橙子来做成点心。
你可以通过完成足够的练习来提高你对以上语法点的认识。
2.关于too
阅读例子，你会注意到too可以与名词、形容词和副词进行搭配使用。但是，当too和名词搭配时，后面一般会跟上much或many。是选择too much还是too many取决于所修饰的名词是可数名词还是不可数名词。
Anna is too concerned about her grades.
安娜非常担心她的分数。
The boys are too crazy today!
这些男孩今天太疯狂了！
We have too many books in this room.
我们在这房间里放的书太多了。
There is too much information to learn these days.
这些天要学习的知识太多了。
a.Too + 形容词
将too放在形容词的前面，用来表示某事物的数量超过限度了。
He's too angry about that incident.
他对这次事件感到很愤怒。
Mary is too anxious about her cousin.
玛丽非常担心她的表妹。
b.Too + 副词
将too放在副词的前面，用来表示某人做某事的程度太过了，或者不必要。
That man is driving too slowly. I wonder if he's been drinking.
那个男人开得太慢了。我想知道他是不是在喝酒。
You are speaking too rudely to that man. It's important to be kind!
你对那个男人太粗鲁了。友好很重要！
c.Too Much +不可数名词
将too much放在不可数名词前面，用来表示某物的数量过多。
We have too much time on our hands this weekend.
这周我们手头的时间太多了。
You've put too much sugar in the cake.
你在蛋糕里放了太多糖。
d.Too Many +可数名词
将too many放在可数名词复数前面，用来表达某物的数量过多。
Franca has too many problems to deal with this week.
弗兰卡这周的问题太多了。
The boys have bought too many clothes. Let's take some of them back to the store.
这些男孩买的衣服太多了。我们送还一些回店里吧。