雅思口语中如何展现时态变化拿到语法7+甚至8+

时态变化 ：一句话中进行两个以上的时态混合，具体分数请参考如何自测雅思口语得分

I used to travel a lot with my friends and I remember going to Shanghai for the first time, and it was really eye-opening. 我以前常常和朋友旅行， 我记得次去上海旅行时候的场景，真的让人大开眼界。（park，big company, music hall , city 等任何地点类话题）

Ever since I was a kid I have always had a real yearning to visit this place. 我从小时候开始就一直渴望去这个地方。（park，big company, music hall , city 等任何地点类话题）

The first time I visited this place I took quite a few photos while I was walking around. 我次参观这个地方的时候，在那走来走去的时候，我拍了好些照片。（park，big company, music hall , city 等任何地点类话题）

I‘ve known this kid ever since he was a baby. 我从他是个宝宝的时候开始就认识他了。（任何人物类话题）

Some students were really tired because they had been listening to this English class for more than 2 hours. 学生们觉得很疲倦了，因为他们已经听了超过两小时课了。（英语课）

While I was shopping, I remember that the shops were really packed out. 我在那购物的时候，我记得商店里面挤满了人。（packed out=crowded）（拥挤的地方）

I felt exhausted because I had been shopping non-stop for a whole week. 我觉得好累，因为我已经不停购物长达一周了。（因为广告而购买的东西）

The book has been reprinted hundreds of times; it was originally written hundreds of years ago. 这本书已经被印了很多次了，最初是在几百年前写的。（书）