He started skating four years age.(改为同义句)

what is han s thought when he first started skating He started skating four years age.(改为同义句) My classmate larry started skating when he was nine and he won the first prize in school race 啥意 She started ice skating when she was four.同义句 请问When I started ice-skating与When did i start ice-skating,哪个对?谢谢! She started ice skating when she was four.为啥要用skating? My classmate Larry started skating when he was nine and he won the first prize in the school race.中的skating为什么要用ing形式?还有这一句：my hobby is collecting old coins 中 collecting 也是为什么要用ing形式? I didn`t finish writing my test.和Amy started skating when he was nine.的动词finish、start后为什么要跟动词的ing形式?谢谢······ 他从不溜冰 He ________________________roller skating. he likes skating,and i like skating too(同义句） he likes skating,and __ __I. he first started a___ when He started off into space She started skatingwhen she was eight years old.改为同义句She started skating— — — — — Both he and she like skating转换为（ ）（ ）he（ ）（ ）she（ ）skating (1)He started skated skating four years ago.He ___ ___ ___for four years .(2)I will have a picnic tomorrow.He said that he___ ___ a picnic the next day.(3)Why don't you give him a gift?You___ ___ him a gift.(4)You'd better not cut in line when others He will teach me -----this year?选to skate 还是skating 为什么?可是答案是skating He will go skating on the next day off 划线提问 go skating画线 He could go skating when he was young改写同义句He____ ____ ____go skating when he was young