Jawabanmu

2014-09-06T13:44:58+07:00
Rumusnya = s+tobe+V1 ing+c
 ket : - s= subjek : I, You, We, They, She, He, It
        - tobe = Is, Am, Are
        - C = comploemen
c/ = she is sing a song
       I am Studying now 
       You are reading a book

semoga bermanfaat 
2014-09-06T14:24:19+07:00
Rumus : S+tobe (is, am, are)+V1-ing+O+Adv
Ex: - She is eating fried rice Now
- I am writing a letter Now
- They are playing football in the school yard