高中英語必修4 Unit3重點詞語及短語解析
（2）when they felt depressed，when引導的是時間狀語從句；felt depressed是系表結構；depressed是形容詞，意為“感到沮喪的”；
詞語拓展
depress vt. 使沮喪，使憂愁
wet weather always depresses me.
在陰雨天里我總是心灰意懶。
depressing adj.令人沮喪的
his marks are depressing.
他的分數令人沮喪。
depression n. the great depressioon（美國）經濟大蕭條
（3）feel more content with their lives這也是一個系表結構。
be content with sth.對某事感到滿意
be content to do sth.樂意去做某事
2. as time went by, he began making films. 隨著時間的流逝，他開始拍電影。
（1）as time went by時間狀語從句，譯成“隨著……”，由as引導句子；若用with則只能引導介詞短語，例如：
with the development of technology, english is getting more and more important.
隨著科技的發展，英語變得越來越重要了。
（2）began making films，begin to do sth.開始做某事（不講以后做不做）, begin doing sth.開始做某事（以后一直做下去）
3. they are so hungry that they try boiling a pair of leather shoes for their dinner.
他們是如此的饑餓以至于試著煮皮鞋充饑。
(1) so hungry that…，so + adj / adv that…如此……以至于……
that child is so dear that all the people like him.
那孩子是如此乖巧以至于大家都喜歡他。
詞語拓展
so + adj / adv + that…= adj / adv enough to do sth.
he is so fast that he can catch the cat.= he is fast enough to catch the cat.
他的速度是如此之快以至于能抓住那只貓。
注意：
so加形容詞、副詞放句首，句子必須倒著走；還有一點要記住，that句子跟后頭。
so hungry is he that he can eat six pieces of bread.他如此之餓以至于能吃六片面包。
(2）try boiling a pair of leather shoes for…
try doing sth. 試著做某事
try to do sth. 盡力去做某事
詞語拓展
①常用的既可跟動名詞又可跟不定式但含義不同的動詞有：
remember doing sth.記得做過某事，remember to do sth.記得要去做某事；
forget doing sth.忘記做過某事，forget to do sth.忘記了去做某事；
regret doing sth. 后悔做了某事，,regret to do sth. 后悔去做某事；
stop doing sth. 停止做某事，stop to do sth.停止正在做的事去做另一件事；
like doing sth. 喜歡做某事（表示解除性、習慣性的動作），like to do sth., 喜歡去做某事（表示一次性、具體性的動作）；
want doing = want to be done = need doing = need to be done需要被做; want to do sth.想去做某事； need doing = need to done需要被做，need to do sth.需要去做某事；
go on doing sth. 繼續做同一件事，go on to do sth.（做完一件事后）繼續做另一件事。
the flowers are dying. they want / need watering.
這些花快死了，需要澆水。
he likes swimming but he doesn’t like to swim with you today.
他喜歡游泳但不喜歡今天跟你一塊去游泳。
stop talking, please. let’s begin our class.
不要說了，咱們開始上課。