My mother sometimes (buy) buys vegetables at this market
I (be)am very cold now It (rain)is raining much in summer.
It (rain)is raining now Daisy (cook)is cooking some food in the kitchen at present.
She always (cook)cooks in the morning
Listen! I (think)am think someone (knock)is knocking at the door
Up to the present,we (write)are writting almost every lesson in the book