2018屆高考英語第一輪語法大全復習教案及配套練習2
8.8 be afraid doing/to do
be afraid to do 不敢，膽怯去做某事，是主觀上的原因不去做，意為\"怕\"，be afraid of doing 擔心出現doing的狀況、結果。doing 是客觀上造成的，意為\"生怕，恐怕\"。she was afraid to step further in grass because she was afraid of being bitten by a snake.
她生怕被蛇咬著，不敢在草叢中再走一步。
she was afraid to wake her husband. 她不敢去叫醒她丈夫。
she was afraid of waking her husband. 她生怕吵醒她丈夫。
8.9 be interested doing/to do
interested to do 對做某事感興趣，想了解某事，interested in doing 對某種想法感興趣，doing 通常為想法。例如：
i shall be interested to know what happens. 我很想知道發生了什么事。（想了解）
i\'m interested in working in switzerland. do you have any idea about that?
我對在瑞士工作感興趣。你想過這事嗎? （一種想法）
8.10 mean to doing/to do
mean to do 打算、想，mean doing 意味著。例如：
i mean to go, but my father would not allow me to. 我想去，但是我父親不肯讓我去。
to raise wage means increasing purchasing power. 增加工資意味著增加購買力。
8.11 begin（start） doing/to do
begin / start to do sth /begin / start doing sth.
1）談及一項長期活動或開始一種習慣時，使用doing。例如：
how old were you when you first started playing the piano? 你幾歲時開始彈鋼琴？
2）begin, start用進行時時，后面動詞用不定式to do。例如：
i was beginning to get angry。我開始生起氣來。
3）在attempt, intend, begin, start 后接know, understand, realize這類動詞時，常用不定式to do。例如：
i begin to understand the truth。我開始明白真相。
4）事物作主語時。例如：
the snow began to melt.雪開始融化了
8.12 感官動詞 + doing/to do
感官動詞 see, watch, observe, notice, look at, hear, listen to, smell, taste, feel + do表示動作的完整性，+doing 表示動作的進行性。例如：
i saw him work in the garden yesterday. 昨天我看見他在花園里干活了。（強調\"我看見了\"這個事實）
i saw him working in the garden yesterday.（強調\"我見他正干活\"這個動作）昨天我見他正在花園里干活。
典型例題
1）they knew her very well. they had seen her ___ up from childhood.
a. grow b. grew c. was growing d. to grow
答案：a。因題意為，他們看著她長大，因此強調的是成長的過程，而非正在長的動作，因此用see sb do sth 的句型。
2）the missing boy was last seen ___ near the river.
a. playing b. to be playing c. play d. to play
答案a. 本題強調其動作，正在河邊玩，應此用see sb. doing sth句型。
9、分詞
分詞既有動詞的特征，由有形容詞和副詞的特征。分詞有現在分詞和過去分詞兩種�，F在分詞有一般式和完成式，過去分詞沒有這種區別。及物動詞的現在分詞還有主動形式和被動形式的區別。分詞常用的形式如表所示（以及物動詞do 和不及物動詞go為例）：