15. They (work) ______________worked_______ in the garden at two o'clock yesterday.
16. My father started (teach) _________taught______ in a small village 10 years ago.
17. They (live) ____have lived________________ in that house for six months.
18. A new school (build) _______are building ______________ in that area by these workers now.
19. If Nam (study) ________studies_______ well, his parents will be happy.
20. Nam loves (read) _________reading_________ picture books.
21. If Mai (be) ______is_______ free, she will go to the cinema with you.
22. Tom (help) _____will help___________ you if he isn’t busy.
23. If the weather is fine, we (go) ______will go__________ fishing.
24. If I (study) _________study_____ hard, I (get) __________will get______ good marks.
25. Nga (not miss) ______doesn't _miss_____ the bus if she (not get) ________won't get________ up late