Check this Verb Tense overview with examples:
|Simple Present||Simple Past||Simple Future|
|I study English every day.||Two years ago, I studied English in England.||If you are having problems, I will help you study English.
I am going to study English next year.
|Present Continuous||Past Continuous||Future Continuous|
|I am studying English now.||I was studying English when you called yesterday.||I will be studying English when you arrive tonight.
I am going to be studying English when you arrive tonight.
|Present Perfect||Past Perfect||Future Perfect|
|I have studied English in several different countries.||I had studied a little English before I moved to the U.S.||I will have studied every tense by the time I finish this course.
I am going to have studied every tense by the time I finish this course.
|Present Perfect Continuous||Past Perfect Continuous||Future Perfect Continuous|
|I have been studying English for five years.||I had been studying English for five years before I moved to the U.S.||