He often plays football when he leaves school.根据时间状语，改写句子即就是：he often ( )()after school last year还有一道题：It rained this morning.(改为否定句)根据时间状语，改写句子即就是：he often (played )( football )after school last year还有一道题：It rained this morning.(改为否定句)It didn't rain this morning.My sister often reads books on Sundays.(改为同义句)My sister often （ ）some（ ） on SundaysMy sister often （ does）some（ reading ） on Sundays