1. starts                                                                        2. likes                                                                        3. bake                                                                         4. writes                                                                       5. takes care                                                                6. has                                                                           7. swim 8. helps 9. is/tells 10. are 
các dấu hiệu :every  twice a month / twice a week / always 

The flight starts at 6 a.m every Thursday.
I like Math and she likes Literature.
I bake cookies twice a month.
My best friend writes to me every week.
Jane always takes care of her sister.
My family has a holiday in December every year.
Martha and Kevin swim twice a week.
She helps the kids of the neighborhood.
Mike is humorous.He always tells us funny stories.
Tiffany and Uma are my friends.