1. how、what用于感叹句的用法：对句子中的形容词或副词感叹时用how,对人或事物(可能含有形容词作修饰语)进行感叹用what. 如：What a fine day (it is) today!(今天天气真好!) / How difficult (the problem is)!((问题)真难呀!)

　　2.already、yet的用法：在完成时中,already一般用于肯定句,yet一般用于否定句和疑问句。如：Have you done it already?(你已经做好了?) / I have not had my breakfast yet.(我还没有吃早饭呢。)

　　3. hard与hardly的用法：hard作为副词意思是："努力地,猛烈地",hardly是否定词,意思是："几乎不",一般与情态动词can/could连用。如：They study English very hard.(他们英语学得很刻苦)/ You can hardly see a person spit in a public place.(在公共场所你几乎看不到一个人随地吐痰)

　　4. like...very much、like...better(=prefer)、like...best的用法：三个短语分别表示"非常喜欢"、"更喜欢"、"最喜欢"。如：I like baseball very much.(我非常喜欢棒球)/ Do you like butter better than cheese?( / They like hamburgers best.

　　5. sometimes、 sometime、 some times 、some time的用法：sometimes(有时)用于一般现在时、 sometime(在将来某时)用于将来时、 some times(数次)表示次数、some time(一些时间)表示一段时间。如：Sometimes they go hiking in the mountains.(他们有时徒步旅行到山里去)/ I will stay here some time.(我会在这儿呆些时候的。)/ I will meet your father sometime.(我什么时候要见见你的父亲。)

　　6."quite/what+a+形容词+名词"的用法：记住：①quite/such/what...+a+形容词+名词;②too/so/how+形容词+a+名词;③rather+a+形容词+名词 = a+ rather+形容词+名词。如：I have never seen such a strange guy(家伙).(我从未见过这样奇怪的家伙) / It is quite a nice day for a walk.(这真是散步的好日子)