求几个英语句子 词组 的解析.

1.be afraid of sth/sb 害怕某物/某人,例：she is afraid of dog/ Tom.她害怕狗/汤姆.
be afraid of doing sth害怕做某事,例：Don't be afraid of making mistakes.不要害怕犯错.
be afraid to do sth害怕做某事,例：She is afraid to ask for help.她不敢向人求助.
都是“害怕”的意思,但要注意形式变化
2.你这个句子本身有问题：add应该用它的过去式added,那么后面的从句当然也要用过去式
3.lots of=a lot of 都表示“许多”,既可修饰可数名词复数,也可修饰不可数名词
4.so...that...：如此.以至于.
例：she was so tired that she couldn't walk on anymore.她是如此的累,以至于她再也走不动了.
5.We get excited about something 与then end up speaking in Chinese并列,由连词and连接