they are doing housework.(分别改成一般疑问句和否定句）要写出原因!

they are doing housework.(分别改成一般疑问句和否定句）要写出原因! They are doing housework（分别改成一般疑问句和否定句） 句型转换：1.they are doing housework.（分别改成一般疑问句和否定句） 三、句型转换：1.They are doing housework .(分别改成一般疑问句和否定句)__________ pep小学英语语法21. They are doing housework .(分别改成一般疑问句和否定句)______ 英语句型转换They are doing housework.(分别改成一般疑问句和否定句)The students a 现在进行时练习句型转换：1.They are doing housework .(分别改成一般疑问句和否定句)_____ They are doing housework(改为一般疑问句和否定句) They are doing homework.【改成一般疑问句和否定句】 句型转换：They are doing housewoek.(分别改成一般疑问句和否定句）The students ar they help their parents do some housework.改成否定句和一般疑问句(和回答) They are playing the guitar .(分别改成一般疑问句和否定句)