1.Thechildrenhadagoodtimeinthepark.

　　Thechildrendidn'thaveagoodtimeinthepark.

　　Didthechildrenhaveagoodtimeinthepark?

　　Yes,theydid./No,theydidn't.

　　2.Therewereaboutninehundredpeopleattheconcert.

　　Thereweren'taboutninehundredpeopleattheconcert.

　　Werethereaboutninehundredpeopleattheconcert?

　　Yes,therewere./No,thereweren't.

　　3.Therewasonlyoneproblem.

　　Therewasn'tonlyoneproblem.

　　Wasthereonlyoneproblem?

　　Yes,therewas./No,therewasn't.

　　4.Anndidherhomeworkyesterdayevening.

　　Anndidn'tdoherhomeworkyesterdayevening.

　　DidAnndoherhomeworkyesterdayevening?

　　Yes,shedid./No,shedidn't.

　　5.LastweekIreadanEnglishbook.

　　LastweekIdidn'treadanEnglishbook.

　　DidIreadanEnglishbooklastweek?

　　Yes,Idid./No,Ididn't.

　　6.Mybrotherwasintheparkjustnow.

　　Mybrotherwasn'tintheparkjustnow.

　　Wasmybrotherintheparkjustnow?

　　Yes,hewas./No,hewasn't.

　　7.Shehadsomebreadforlunchtoday.

　　Shedidn'thavesomebreadforlunchtoday.

　　Didshehavesomebreadforlunchtoday?

　　Yes,shedid./No,shedidn't.

　　8.TheyreadEnglishlastnight.

　　Theydidn'treadEnglishlastnight.

　　DidtheyreadEnglishlastnight?

　　Yes,theydid./No,theydidn't.