i am not at home this morning.改成过去式.

i am not at home this morning.改成过去式. I was at home this morning.改成一般疑问句 I am home可不可以改成I at home或I‘m at home i（）i()your pen at home this morning I am watching TV at home 怎么变过去式 I ___ my umbrella at home this morning. where()you this morning?-I()at home怎么填? sorry,I _____my pen at home this morning I ----------【忘记】my book at home this morning 改错 I forgot my English book at home this morning. I was at home this morning对划线部分提问 划线部分是at home I am a------ my parents are not at home