found 此句为现在完成时,find的过去分词为found
did come 因为ago是一般过去时标志,疑问句式did 放在主语前,谓语动词要还原,所以用原形come
playing 因为是孩子们正在玩
Have , written 因为yet是完成时标志, 用谁提问就用谁来答,所以第三空是haven't. 第四空为will write 因为next week 是一般将来时标志。
Did , see 因为just now刚刚, 一般过去时标志。
1. found
2. did come
3. playing
4. Have written
haven't will write
5. Did see
found did come playing have written haven't will write did see
主要考的事时态,现在完成时,一般过去时等等
1. found 2. did...come 3.playing 4.Have...written ; haven't... am going to write
5.Did ...see
1.found 2.will come 3.playing 4.Have.....written haven't will write 5.Did ..see