Чтобы понять народ этой страны, вы должны знать их обычаи и традиции.2. чтобы подготовить этот доклад, вы должны пойти в библиотеку.3. чтобы хорошо знать , вы должны изучать карту.4. чтобы учиться в этом университете, вы должны получать хорошие оценки.5. чтобы получать хорошие оценки, я должен усердно учиться.​

1) is my sister  leaving to her place at the moment?   2) i  read  this book yesterday.3) you will play the piano tomorrow.4) we are returning from the museum now.5)our friends  do not  see mary every day.6) did the new school begin  working last year? 7)he often  speaks to me.8)he was  discussing that problem the whole morning yesterday.9)i will be reading this article at two o'clock tomorrow.

may i come in?

you may take my pen

i can`t  catch up with her

i can play the piano

i must do it well

you must not go there

you should work more seriously

you should not read about it

sharon: i got up at 7 o'clock and  had a big breakfast. i walked to work, which took me about half an hour. i started work at 8.45. i never had lunch. i finished work at 17 o'clock. i was tired when i got  home. i cooked a meal in the evening. i didn't go out.    i went to bed at about 23 o'clock. i slept well. yesterday was a tipical working day for sharon.