1 , pratice ( câu điều kiện loại 2 nhé )
1 , If / flood / not taken place , this field would / produced more wheat .
2 , If they / borrwed enough money , they would / enlargd theis farm
3 , if he / not been ill , he would / mended / fence
4 , if / epidemics / not happened , peophe would / sold more cattle