预计去做某事用英文怎么说

"预计去做某事" 用英语可以表示为 "plan to do something" 或者 "expect to do something"。

"plan" 是一个动词，意思是 "计划" 或 "准备"。例如：

I'm planning to visit my grandparents next weekend. (我打算下周末去拜访我的祖父母。)
We've planned a surprise party for her birthday. (我们为她的生日准备了一场惊喜聚会。)

"expect" 也是一个动词，意思是 "预计" 或 "期望"。例如：

I expect to finish my project by the end of the month. (我预计本月底能完成我的项目。)
She expects to hear back from the company next week. (她预计下周会收到公司的回复。)

希望这些信息对你有帮助！