语法就是连词成句、连句成文的套路。
先了解句式，然后模仿，然后慢慢收为己用，就这样吧！
先发 4L 和 5L 练习的参考答案（书本提供的）：
Susan Fisher is a student who is about to leave school. Use the following to give her advice about her future.
a) I would advise you to learn foreign languages.
b) If you take my advice you will continue to study
c) I would recommend you to get a job as soon as possible.
d) If I were you I would go to night-school and learn a profession.
e) I would advise you to earn enough money to travel around the world.
f) If I were you I would work in the shop with your father.
g) If you take my advice you will get married, settle down, and have a family.
Now you are giving opinions and advice to someone whose neighbours are always holding parties and throwing litter over the fence.
a) It would seem to me that your best course would be to tell them how you feel.
b) From my point of view I think you should call the police.
c) In my opinion you should throw the rubbish back.
d) It would seem to me that your best course would be to write a letter of complaint.
e) As far as I'm concerned the best thing you can do is take them to court.
f) It would appear to me that your best course would be to see a lawyer.
g) In my opinion you should sue them for damages for nervous disorder due to the continual noise.
（“答案” 似乎少了些逗号 ）