外研版四年級英語下冊《I helped Mum》PPT課件(第1課時)，共24頁。
I went shopping yesterday.
What did you do yesterday?
Let's learn new words
Phone 給....打電話 cook 做飯，烹飪
wash 洗...... computer 電腦
really 真的嗎？ what about? ...怎么樣？
did do的過去式（助動詞）didn’t don't的過去式（助動詞）
love 愛 him 他....(賓格)
Listen and answer questions
What did they do yesterday?
他們昨天干什么了呢？
動詞過去式的變法口訣：
Yesterday，表過去，要用一般過去式；
規(guī)則動詞加 ed；有 e 直接加上 d；
Talk, talk, talked;
Listen, listen, listened;
Watch, watch, watched;
Phone, phone, phoned.
不規(guī)則的特殊記，are 變 were；
am/is 變 was； do/does 變 did。
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關(guān)鍵詞：I helped Mum PPT課件免費(fèi)下載，.PPT格式；
