Ответ:
№9
1) An adverb of frequency goes after the verb to be, but it normally goes before the main verb.
2) An expression of frequency (e.g. twice a week) usually goes at the beginning or at the end of a sentence.
№10
1) My brother always plays tennis on Saturday mornings.
2) We eat out at a restaurant about once a month.
3) Every day I take a bus to school.
4) She is rarely at home in the middle of the day.
5) They go on holiday twice a year.
6) Are you often late for work?