Studying for a test 和To studying for a test 的区别

Question

Studying for a test
和To studying for a test 的区别

Answer 1

第二句不应该加ing。第一句的意思是正在为考试而学习，第二句是要为了考试而学习（可能还没发生）本回答被网友采纳

Answer 2

studying for a test - 学习for考试
To study(no ing) for a test- 为考试学习