she often go there/she often went there 有何区别?

she often go there/she often went there 有何区别?
she often go there/she often went there 有何区别?

she often go there/she often went there 有何区别?
She often goes there. 表示她现在经常去那儿
She often went there. 表示她过去经常去那儿
often是可以适应过去时态的

often应该在句尾…… 前面的表示现在经常去，后面的表示过去常去

都不对，often 应该用于一般现在时，表示经常做的事情。因此应该：
She often goes there.

第一个，第三人称单数谓语没有加s
第二个，often不能用于一般过去时。