1. They/ learn new grammar first/ , then/ a small test
=> They will learn new grammar first then do a small test .......
2. What/ you do/ if/ fine tomorrow?
=> What do you do if it is fine tomorrow?..............
3. If/ come late/ teacher/ not let you in
=> If you come late, the teacher will not let you in..........
4. I/ biscuits first/, then/ drink tea/ breafast
=> I will eat biscuits first then drink tea and eat breakfast.......
5. If/ late/ we/ go/ without her
=> If she is late again we will go without her..................
6. Listen/ teacher or/ not understand the lesson
=> Listen the teacher or you will not understand the lesson.....
7. we/ have/ examination/ next month
=> We will have examination next month................................
8. Concert/ over/ 10 o'clock
=> The concert is over at 10 o'clock.......................................