I/ use to/ live/ on the farm/ when/ i/ Chile.; I/ wish/ pass/ the exam/ high results

1: I/ use to/ live/ on the farm/ when/ i/ á Chile.
2: I/ wish/ pass/ the exam/ high resutts.
3: I/ study english/ since/ I/ grade 6.
4: they/ walk/ the park/ when/ it / rain 
    giúp mình với ạ mai mình thì rồi ????