3. вставьте would или used. иногда возможны оба варианта. 1. do you remember how your uncle david sit in that chair and smoke those disgusting cigars? 2. your mother have a yorkshire terrier when she was a young girl, didn't she? 3. for years, they go on holiday to the rockies, but then it became very fashionable and, hence, expensive. 4. years ago, i write a diary every day but then i got bored with doing it and i stopped. maybe it was my life that was boring! 5. at the start of their marriage, they be very happy - but then it all went wrong! 6. you spell so well. whatever happened? 7. when i was five, i be able to do incredible gymnastics. now i can't even touch my toes. 8. before getting my driving license, i ride a bicycle everywhere.

1. do you remember how your uncle david used to/would sit in that chair and smoke those disgusting cigars? 2. your mother used to  have a yorkshire terrier when she was a young girl, didn't she? 3. for years, they used to/would  go on holiday to the rockies, but then it became very fashionable and, hence, expensive. 4. years ago, i used to/would write a diary every day but then i got bored with doing it and i stopped. maybe it was my life that was boring! 5. at the start of their marriage, they used to be very happy - but then it all went wrong! 6. you used to/would spell so well. whatever happened? 7. when i was five, i used to  be able to do incredible gymnastics. now i can't even touch my toes. 8. before getting my driving license, i used to/would ride a bicycle everywhere.would не употребляется с глаголами, которые не обозначают "движение"  (а именно, be, see, hear, like, love, hate, understand, have (в значении иметь),remember и другие  )

Square 2. sine, cosine, tangent, katangens 3. 998 5. fraction

1) i will ride my bike tomorrow.

2) my grandma got two letters yesterday/

3) they were in the country last summer.