grammar
后缀
后缀是一种重要的构词法，课本p137-p138介绍了形容词后缀-ful, -less, -ic, -al, -ive, -ous等的用法。下面我们通过例句介绍其它几种常见后缀的用法。
【语境展示】阅读下面句子，注意画线单词的后缀，并加以总结。
1. a. bob’s too selfish to think of lending me his car.
b. ann wore a richly coloured silk dress.
c. the dancer’s movements were slow and dreamlike.
d. parents may find that a troublesome teenager has become unmanageable.
2. a. sam is good at cake decoration.
b. according to observers, the plane exploded shortly after take-off.
c. the national parks are attracting more visitors than ever.
d. the number of employees in the company has doubled over the past years.
e. a waitress arrived with the wine they had ordered.
f. there’s not much difference in price between the two computers.
g. the government is encouraging the development of small businesses.
h. there is an extra hour of darkness on winter mornings.
3. a. injury problems could shorten his career.
b. he tried to simplify the story for the younger audience.
c. the beatles popularized british rock in the early 1960s.
4. a. little jack was in tears and obviously very upset.
b. most of these people are paid monthly.
c. i walked backward(s) down the stairs, carrying the heaving box.
【自我归纳】
通过观察第1组句子，我们可将形容词后缀归纳如下：
★-ish表示“……似的”，加在名词后可使其变为形容词（句a）；
★-ed表示“有……的”，加在名词后可使其变为形容词（句b）；
★-like表示“类似……的”，加在名词后可使其变为形容词（句c）；
★-some表示“引起（或易于）……的”，加在名词后可使其变为形容词（句d）；
通过观察第2组句子，我们可将名词后缀归纳如下：
