Tom with his friends was playing basketball when I saw him.这句话有什么语法错误吗?

Tom with his friends often ( )footballafterchool.(play) Tom always plays asketball with his friends on sundays Tom enjoys to play -ping pong with his friends.改错 Tom likes playing basketball with his friends.(改为否定句) Tom plays soccer with his friends 对plays soccer 提问 Tom is playing c＿ with his friends. Tom with his friends ___basketball twice a week. Tom goes to school with his friends buy bus Tom keeps in touch with his friends by telephone Tom often goes__(hike)in spring with his friends Tom with his friends are watching football match 改错 Tom is going camping with his friends.(对划线部分提问）划线部分是his friends. Tom with his friends （ ） soccer now.Tom with his friends （ ） soccer now.A.are play B.are playing C.is playing D.is play Tom with his friends （ is ） playing soccer.为什么是is而不是are?Tom with his friends （ is ） playing soccer.为什么是is而不是are? Tom climbed a mountain with his friends.根据答语写问句老师说是What did Tom do?好像不用加with his friends OFTER,PLAYS,SPORTS,SUNDAY,WITH,HIS,FRIENDS,TOM,ON,连词成句 Tom often gooes to the ________ with his friends on Sundays. Tom disagreed with his friends about the plan .(改为同义句）