1. After the exam,I decided to relax myself.
2. I planed to do a lot of things.
过去一次的想法或行为吧,如果用一般现在时就是我经常计划做很多事情
3. I would like to help my mum with the homework, like washing dishes and sweepomg the floor.
做家务包括了洗碗扫地,所以我觉得后面的应该作为举例的内容而不是并列的
4. I still need water the flowers.
作为情态动词使用的need
5. I didn't do well in the English exam.
6. I decided to make up missed lessons.
7. I decided to go to Shanghai for the World Expo.
英语句子的时态一般发生过的事情都是用一般过去时,一般现在时最经常表达的含义是经常习惯性的动作
翻译句子没有上下文语境的情况下给一下时间状语从句限定一下比较好