Ⅰ. be made of “由……制成/造”成品看得出原料。如：
The desk is made of wood. 这张桌子是木头制成的。
Ⅱ. be made from “由……制造/成”成品看不出原料。如;
Paper is made from rags.纸是由破布做的。(已看不出原料)
§72 be pleased with/ at/ to
Ⅰ. be pleased with “对……人/物，感到满意”介词with后接人或物。 如：
① Both Mark and her mother were pleased with the girl. 马克和他妈妈都有喜欢这个女孩。
② I wasn’t very pleased with / at my exam results. 我对自己的考试成绩不太满意。
Ⅱ. be pleased at “对……某事/物，感到满意”。介词at 常与事物搭配使用。
He was very pleased at the news.他对这个消息感到很满意。
Ⅲ. be pleased to “乐意……; 因……而高兴”。to 不是介词，而是小品词。后接动词原形。如：
① I shall be pleased to go. 我将乐意去。
② We are quite pleased to be working in this country. 能在这个国家工作，我们是十分高兴的。
§73 be sure of/ be sure to do/ be sure that
Ⅰ.be sure of “确信对……有把握”后接名词、代词或动词-ing 形式，表对客观事物有肯定的认识和判断，主语必须是人。如：
① As David joined our team, we are sure of winning the game this time.
由于David参加了我们的球队，我们这次有把握取胜。
② You may be sure of his honesty. 你可以确信他的诚实。
Ⅱ.be sure to “一定，肯定”，后接不定式，往往表示局外人的推测，评论，主语不一定是人，如：
① It is sure to rain tomorrow. 明天一定会下雨。
② He is sure to win.他一定会赢的。
▲ 用于祈使句时作“务必，切切”之意，如：
① Be sure to come tomorrow. 你明天一定要来
② Be sure to forget it . 千万别忘了。
Ⅲ. be sure that 从句。“认为……一定会”主语必须是人，连词that 可省略。它后面还可以接由wheher, 或where, when, who 等引导名词性从句。这时主句通常是否定式。如：
① He is wure that he will succeed. 他确信会成功
② I am not sure where I left my notebook. 我不能确定我的笔记本丢在什么地方了。
§74 be sure/ make sure
Ⅰ. be sure 指某人对某事或对某种情况有把握，常译为：“确信”;make sure 指“务必、务请、确保”将某事弄清楚。如：
① I am sure that he is honest. 我相信他是诚实的。
② I have made sure that he is honest. 我已了解清楚他是诚实的。
Ⅱ. 二者后面均可接of 或about 引出的短语。如：
① I am sure of success = I am sure that I will succeed. 我深信会成功。
② Will you make sure of his return? = Will you make sure that he returned? 请你查明他是否真的回来了。好吗?
Ⅲ. make sure 后面的that 从句一般不用或很少用将来时;
be sure 后面的that从句则可用将来时。如：
① Make sure that you come here before five. 你一定要在5点前来。
② I am sure that he will come. 我相信他一定会来的。
Ⅳ. 两者后面接不定式，均表示“一定要做某事”，但make sure 通常只用于祈使句;而be sure 则不受限制。如：
① to come to party on time. 一定要准时来参加晚会。
② He is sure to call you up. 他准会给你打电话的。
§75 be surprised/ in surprise
Ⅰ. be surprised 为“动词+形容词”结构，在句中作谓语，意为：“感到吃惊”. be surprised at 表“对……感到吃惊”
Ⅱ. in surprise为“介词+名词”结构。在句中作状语。意为：“吃惊地”。如：
① She was surprised. 她感到吃惊。
② Everybody was surprised at you. 大家都对你感到吃惊。
③ John turned round and looked at him in surprise. 约翰转过身去，吃惊地看着他。
