I could read by myself when i was four 同义句

I could read by myself when i was four 同义句 I could swim when I was 5 years old .同义句：I could swim ___ __ I could swim when i was five yeas old .改成同义句 I could swim___ I could dance when I was five的同义句 I could dance【】【】【】five. I could dance when I was five的同义句 I could dance【】【】【】five when,was,I,could,four,I,sing,songs连词成句 I cut myself by accident when I was making dinner I often went to school by bus alone when I was young改为同义句 I When I was five years old, I could play the piano well.的同义句 同义句 I could ride a bike when I was young. 同义句转换 I could swim when I was 10 years old. i could swim when was 10 years old 同义句 I ____ _____ swim ___