一般来说通用过去的时态,如
一般过去时“did”,
过去完成时“had done”,过去将来时“would do”;但如果是事实真理,则用
一般现在时“do/does”。
例如:1. I thought he was right.
2. I thought he had finished the homework.
3. I thought he would finish the homework sooner or later.
4. I thought the earth goes around the sun.