1. go -> went
2. during -> while
3. have to -> has to
4. this -> that

1. When he was young , I often go fishing and played blindman buff.
                                         go -> went
2. Lan enjoyed the peaceful atmosphere during Maryam was praying.
                                                    during -> while
3. This word have to be completed by the students before the break.
             have -> has
4 .The taxi driver told me that he would take me to this hotel.
                                                                    this -> that