1. My mother sometimes (buy) buys vegetables at this market 

2. I (be) am  very cold now It (rain)is raining much in summer.

3. It (rain) is raining now Daisy (cook)is cooking some food in the kitchen at present.

4. mother ( cook ) .......is cooking...... some food in the kitchen at the moment , she always ( cook ).....cooks............. in the morning