[语法初识]

原句感知 自主探究 1.①Her expression changed when she heard the news.

②Older people sometimes find it hard to accept changes.

③This information began to raise questions in her mind

about Jack's innocence.

④I don't think it's fair to question his motives just because he disagrees with you.

⑤Would you please dry my clothes in the sun?

⑥We will try our best to better our living conditions.

⑦He got first place in the final.

⑧She speaks Italian like a native.

2. hope→hopeful(有希望的)

success→successful(成功的)

use→useless(无用的)

power→powerless(无力的)

nature→natural(天然的)

tradition→traditional(传统的)

fame→famous(著名的)

danger→dangerous(危险的)

(1)句①中的change通常用作动词，在句②中用作名词。

(2)句③中的question通常用作名词，在句④中用作动词。

(3)dry, better通常用作形容词，在句⑤和句⑥中dry, better都用作动词。

(4)final和black通常用作形容词，在句⑦和句⑧中的final和black都用作名词。

(5)名词加后缀­ful，表示"满......的"，­less后缀表示"无......的"。

(6)名词＋后缀­al或­ous构成形容词，表示"......的"。