Слудующее: how/what healthy is your diet? are/do you are vegetarian? how/when often do you eat chips? are/do you always have breakfast? when/what do you usually have for breakfast? does/is your diet include fruit and vegetables? то что большое надо выбрать правильное
2) are
3) how
4) do
5) what
6) is
если не так поправте