more 、most、much、many的用法不同？不同在哪儿？求大神帮助

more: [ m:(r) ] n. 更多 a. 多的,程度较大的,更大的 ad. 多,更多,进一步 n.[计算机] DOS命令 : 使DOS每次显示一屏信息, 以取代连续卷动 例句与用法 1. His illness was more serious than the doctor first thought. 他的病较医生原来以为的更严重。 2. There are more cars on the road in the summer than in the winter. 夏天路上的车子比冬天多。 3. She spends more and more time alone in her room. 她独自呆在房间里的时间越来越多了。 4. I am becoming more and more irritated by his selfish behaviour. 我对他那种自私的行为愈加恼火起来。 5. He couldn't lift the table and no more could I. 他抬不动那张桌子，我也抬不动 6. He speaks more and more openly about his problem. 他越来越公开地谈他的问题， 7. It took more or less a whole day to paint the ceiling. 粉刷天花板用了将近一整天的时间。 most: [ must ] n. 最多,最大 a. 大多数的,几乎全部的,最多的 ad. 最,最多,极其 例句与用法 1. It was one of the most important discoveries ever made. 这是所做出的最重大的发现之一。 2. Most students passed the examination. 大多数学生通过了考试。 3. This is the area that attracts the most attention. 这是最受关注的地区。 4. He spoke most bitterly of his experiences in prison. 他十分痛苦地讲述了他在监狱中的经历。 5. I go to the shop most every day. 我差不多每天都去商店。 much: [ mt ] a. 许多的 ad. 很,非常 pron.&n. 许多 [ 形容词比较级more 最高级most ] [ 副词比较级more 最高级most ] 例句与用法 1. I think we may learn much from it. 我想我们能从中学到许多。 2. I don't suppose you have much time. 我想你不会有很多时间。 3. Mary and I are looking forward very much to the party. 玛丽和我热切盼望晚会的举行。 4. The patient is much the same this morning. 今晨病人情况几无变化。 5. I won't have a pudding it was as much as I could do to finish the very large first course. 我不要布丁了－－我能把第一道大菜吃完就已经很不容易了。 6. Much as I would like to stay, I really must go home. 我倒是很愿意呆在这儿，可确实得回家了。 many: [ meni ] n. 许多人,许多 a. 许多的 [ 形容词比较级more 最高级most ] 例句与用法 1. How many students are there in your class? 你们班有多少个学生？ 2. Many people would like to take holidays abroad. 许多人愿意到国外度假。 3. Many dogs have a good nose. 多数狗嗅觉都很灵。 4. Many diseases are caused by bacteria. 许多疾病是由细菌引起的。 5. Many people believe that prison isn't a cure for crime. 许多人都相信监禁解决不了犯罪问题。 6. Many languages have Latin as their base. 许多语言都以拉丁语为基础。