Whataretheydoing?.What’shedoing?Heis…?theyare…:---Whatareyoudoing?---,但此刻动作不一定正在进行eg:,或在句首常出现Look!Listen!等信号词eg:Listen!..现在进行时常见的信号词:look!看listen!+be动词+动词的现在分词IamHe/SheWe/You/:be+doing(be要根据主语作人称和数的变化).Listen!Thebirdissinging..TheywatchTVareingnow..Theboyswimismingnow...
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