... 21st, 2009 Unit 5: work and playPeriod 30: b1,2 - Its time for recessãII- GRAMMAR:1. V +ingTo play (v) playingTo chat (v)chatting2. Present progressive tense:S + be + V-ingEX; I am ... S + V… ? - Yes, S + do/does. - No, S + don’t /doesn’t.I usually………….Do you usually play marbles at recess? Wednesday, October 21st, 2009 Unit 5: work and playPeriod 30: b1,2 - It’s time ... (v) Bell (n) - Bell (n) : Cái chuông - Chat (v) : Nói chuyện, tán gẫu - Blindman’s bluff (n) : Trò bịt mắt bắt dê - Catch (n) : Trò đuổi bắt - Play marbles : Chơi bi - Skip rope (v) = Skip...