2018屆高三英語語法知識特殊詞復習教案
after he had finished his maths，he went on to do his physics. 做完數學后，他接著去做物理。
go on doing the other exercise after you have finished this one. 作完這個練習后，接著做其他的練習
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。