我現(xiàn)在胃不舒服,一定是剛才雞肉吃得太多了。( must have done )
I am not feeling well in the stomach. I must have eaten too much chicken just now.
考查must對(duì)過去的肯定推測(cè)。must表示肯定的推測(cè),如果對(duì)過去的推測(cè)用must have done,現(xiàn)在及將來的推測(cè)用must do。同時(shí)注意否定和疑問的推測(cè)常常用can。
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