[例1] I got on the bus and found a seat near the back, and then I noticed a man 18 (sit) at the front. [例2] He spit it out, __37___(say) it was awful.
规律1:若句中已有谓语动词,又没有连接词时,所给动词就要填非谓语动词。
sitting
saying
Step1 .分析句子结构