I AM DOING an exercise on the present tesen at this moment and I THINK that I KNOW how to use it now
my mother sometimes BUYS.....vegetables at this market
It[rain] RAINS....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
1, Hello this is Dr Smith's office.who [speak] IS SPEAKING?
3,It is a lovely day.The sun SHINES[shine]and the birds[sing] SING.
4,The Earth[go] GOES round the Sun
5,Some animals [not eat] DON'T EAT during the winter
6,What IS Oanh[do] DOING at the moment?