1. переведите на язык, подчеркните сказуемое и определите их время: гости уже пришли, но основное блюдо ещё не было подано. им были предложены закуски и напитки. 2. преобразуйте активный залог в пассивный и наоборот, определите время сказуемых: vegetarians follow healthy eating rules. corn was cultivated by the native people of the new world. they begin their work at 7 o'clock. last yeat our group had done the practice at the restaurant. 3. напишите отрицание и задайте 5 вопросов к предложению: some people have part-time jobs.

The guests have already come,but the main course hasn't been served yet.They were offered refreshments
(snack) and drinks.

Healthy eating rules are followed by vegetarians-Present Simple Passive.
The native people of the New World
cultivated corn-Past Simple Active.
Their work was begun at 7 o'clock by them-Past Simple Passive.
The practice had been done at the restaurant by our group last year-Past Perfect Passive

Some people don't have part-time jobs.
Do some people have part-time jobs?
Do some people have part- time or
casual work?
Who has part-time jobs?
What work do some people have?
Some people have part-time work,don't they?