"Write a letter to your friend telling him what have happened."中的telling为何要加ing?
问题描述：
"Write a letter to your friend telling him what have happened."中的telling为何要加ing?
答
它不是现在进行时态,而是表示伴随状态,一般表示伴随,都用现在分词（即ing的形式）的形式.现在分词做状语时,一般都表示伴随.
例如Piles of stones lie in a corner of the courtyard ,waiting to be replaced.院子的角落里放着一堆堆的石头,准备做更换之用.句中-ing 短语（waiting to be replaced）用作状语,表示伴随状态.