Jawabanmu

2014-05-30T19:08:21+07:00
Subjek + tobe (is/am/are) + verb ing
2014-05-30T19:09:01+07:00
Positive = S + to be + V1 + ing + O
negative = S + to be + not + V1 + ing +O
introgative = to be + S +V1 +ing + O