Sometimes I see 太 and 會 used without 了 and 的. Why?
I've learned that whenever you say something it 太 (too) xxx, you HAVE to put 了 at the end of the sentence. But I've seen several examples where people don't use 了 (and it's not 不太 either, by the way), such as:
但是，中國人說中文說得太快。

ex. #2:
第七課的語法很容易，我都懂，可是生詞太多，漢字也有一點難。
(both examples taken from "Integrated Chinese")

I've also learned that when you're talking about the future, 會 must ALWAYS be followed by 的. Chinesepod.com and Chineseclass101.com have both stressed this.
However, when I wrote, for example,
我會到台灣去的, all 4 people who corrected me took out the 的.
I have also seen someone write "雖然不知道未來會有什麼事...", again without the 的.

What are the exact rules for using 了 and 的 in these cases that textbooks and other learning materials just aren't telling me?

Question

Sometimes I see 太 and 會 used without 了 and 的. Why?
I've learned that whenever you say something it 太 (too) xxx, you HAVE to put 了 at the end of the sentence. But I've seen several examples where people don't use 了 (and it's not 不太 either, by the way), such as:
但是，中國人說中文說得太快。

ex. #2:
第七課的語法很容易，我都懂，可是生詞太多，漢字也有一點難。
(both examples taken from "Integrated Chinese")

I've also learned that when you're talking about the future, 會 must ALWAYS be followed by  的. Chinesepod.com and Chineseclass101.com have both stressed this.
However, when I wrote, for example, 
我會到台灣去的, all 4 people who corrected me took out the 的.
I have also seen someone write "雖然不知道未來會有什麼事...", again without the 的.

What are the exact rules for using 了 and 的 in these cases that textbooks and other learning materials just aren't telling me?

Answer

了 means things which has happened . 
no 了means always do like that. 

会***的，if ***contain 什么 怎样 ,we don't use 的。
eg.
我不知道未来会发生什么。 
我不知道明天会怎样。

Answer

Putting "了" at the end of sentence often means u will say something more. 
For example: If u say "中國人說中文說得太快了", maybe somebody will ask: So...what?   
Add more sentence: 中國人說中文說的太快了，所以我聽不懂。
In addition, "中國人說中文說的太快" is a affirmative.

Overall, it's like the difference between below two sentences: 
1. Night is too black that i can't find u !!
2. Night is black.

Answer

That is a hard one.
了 indicates "completion", but not necessarily the past.
太 = a hell of a lot, very. Not just "too much of".
The use of 的 is complex. It is used for emphasis. It rarely follows 會, although it is still possible.

Chinesepod, huh. Bad luck, dude. Try this:

http://fsi-language-courses.org/Content.php?page=Chinese