Yes, the fourth chapter will teach the past simple tense would have directed you to know that the present perfect tense, but when I do not have time director. I want to tell them how to do it.
Yes, The fourth chapter is simple Past tense is that teaching time assigned to know when making a perfect Present tense, but don't have the time directed to let you know.
Yes, the chapter four will be taught that simple tense Past will be directed to know that it is time to go, but Present perfect tense does not have the time to supervise just want to tell you that I know what to do.