i am swimming at the pool 为什么不是in the pool

i am swimming at the pool对 am swimming 提问 i am swimming at the pool In the second photo.I am swimming at the pool with my friends.为什么要用am swimming? i am swimming at the pool 为什么不是in the pool i with my friend am swimming at the pool now划分句子成分 I am swimming in the swimming pool改为一般疑问句 将I am good at swimming.改成同义句是? 连词组句 he,is,who,for 和am,i,swimming,pool,at.the,the,second,in,picture 是'i am good at swim'还是'i am good at swimming'? I am at the open 一首英文歌有一句 i am swimming in the warm I am swimming in the swimming pool对画线部分提问划线部分是in the swimming i'm swimming at the pool对划线部分提问 I'm swimming at the pool.(一般疑问句) i()with my father at that time.i didnt know what ()A.was swimming;was happening B.am swimming;has happenedC.was swimming;happened D.swam;was happening swimming (at)还是(in) the swimming pool 1,sausages/supper./often/cook/We/for2,revises/exams/Laura/usually/her/on/Sunday./for3,doing/am/now./my/English/I/homework4,is/the/guitar/He/the/at/moment./playing5,at/I/swimming/never/go/the/weekend. 用恰当的疑问词,对括号部分进行提问i am good at (swimming).