Question

他发现如果方法正确学英语挺容易英文中发现用什么时态？

Answer 1

他发现如果方法正确学英语挺容易.
英文中“发现”用的时态可以是一般现在时，现在完成时， 一般过去时：
1). He finds that it is not difficult to learn English by a right way.
2). He has found that it has never been difficult to learn English by a right way.
3). He found that it was not difficult to learn English by a right way.

Answer 2

He found it easy to learn English with the right method
发现应该用过去时态
因为他已经发现了

Answer 3

英语中一般用一般现在时，表示一条道理或者真理的时候都用这个时态。