外研版六年級(jí)英語(yǔ)下冊(cè)《He's riding his bikebut it's starting to rain》PPT教學(xué)課件，共17頁(yè)。
Let' s chant
The bell is ringing.
The dog is barking.
Little Tom is crying.
But Sam knows nothing.
當(dāng)你正在做某件事情的時(shí)，另一件事也發(fā)生了，我們用英語(yǔ)應(yīng)該怎么表示呢？
現(xiàn)在進(jìn)行時(shí) + but + 一般現(xiàn)在時(shí)
主語(yǔ) + be + v-ing, but 主語(yǔ) + v / v-s
現(xiàn)在分詞，又稱-ing形式 ，變化規(guī)則為：
1.一般情況直接加 ing
do→doing、sing→singing
2. 去e ，再加ing
dance→dancing like→liking write→writing make→making, take→taking
3.重讀輔元輔雙寫尾字母，再加ing
cut→cutting swim→swimming
... ... ...
關(guān)鍵詞：《He's riding his bikebut it's starting to rain》PPT課件免費(fèi)下載，.PPT格式；
