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人教2003课标版《Learning about Language》集体备课PPT课件优质课下载
_______ _______ is their favourite sport.
Playing basketball
My sister enjoys
_________ alone on
the seashore.
standing
The cartoon is _________.
amusing
China is a ___________ country.
developing
We heard Tommy _______ in her room.
singing
He sat at the desk _______ a newspaper.
reading
动词-ing基本形式
-ing形式
主动语态
被动语态
一般式
doing
being done
完成式
having done
having been done
动词-ing 形式能在句中作主语、宾语、表语、定语、宾语补足语和状语。