friend
friend friendly friendliness的区别？
friendly friendliness的区别？
1: friend是规则的名词，意思是朋友复数形式直接在后面加s,也可以与动词make组成短语：make friends; 2:friendly是形容词意思是有好的，通常的结构是be friendly to somebodybe nice to somebody。用例句解释My English teacher is friendly to us,so we all like her. 3:friendliness是名词其意思是友谊同与friendship. Their friendliness was only pretence.
beniceto用法？
be nice to 的用法：
be nice to sb. 对某人好。例：She is nice to everyone. 她对每个人都好。
be nice to do sth. 做……是好事
例：It is nice to see someone dressing differently. 看到有人穿着不拘一格固然是好事。
be adj to的短语？
be adj to do的用法涉及到动词不定式的用法，分俩种情况：
1. be 情感类形容词（happy/glad/pleased/nice等） to do，表达的意思是：高兴做什么事情，动词不定式是原因状语。
举例：Im quite happy to wait for you here.我非常高兴在此等候您。
Lily was very happy to see her wonderful stickers again.她又一次看见我的贴画莉莉非常高兴。
He was satisfied to win the race.他对赢得赛跑感到满意。
2. be 修饰事情的形容词（easy/difficult/hard/challenging等） to do，表达的意思是：什么事情很容易/难做。前面有形式主语it时，to do是真正的主语；前面主语是物的时候，to do是主语补足语。
举例：These cakes are very quick and easy to make. （主语补足语）这些糕饼做起来又快又简单。
The shower is easy to install. （主语补足语）淋浴器易于安装。
It is important to get something down on paper. （真正主语）重要的是要把一些事情写在纸上。