1 实际不是这样
2 be looking forward to doing sth.[词组] 期待做某事
整句翻译：实际不是这样的!我一直期待着到这上课.你看,我已经买了相关的书籍.
语法补充：主语+have done 是现在完成时
1) 表示过去发生或已完成的某个动作对现在产生的影响或结果,强调的是这个影响或结果,常同already,just,yet等状语连用
例：I have just turned off the light.我刚刚把灯关上.（结果是灯已经关上了）
She has lost her bike.她把自行车丢了.（影响是他现在没有自行车骑了）
The rain has stopped now.雨已经停了.（结果是我们可以出门了）
2) 表示开始于过去、持续到现在的动作或状态,并可能继续下去（也可能不继续下去）,常同包括现在在内的时间状语连用,如：today,now,this week,this morning,these days,this afternoon,recently,so far等；也同“for+时间段”或 “since＋时间点”的状语连用
例：We have had much snow this winter.今年冬天多雪.
She has taught in the school for ten years.她在这所学校教书已经10年了.
I haven't eaten anything since breakfast.我从早饭起就一直没有吃东西.
3) 表示从过去某一时间到说话时这段时间中反复发生的动作或多次动作的总和,常同频度副词always,often,seldom,never等连用
例：He has done a lot of work in the past two years.在过去两年中他做了许多工作.
I have learned about two hundred English words this morning.本月我学了大约200个英语单词.
I have been looking forward to having lessons 是2的用法
I have already bought the reference book 是1的用法