lille opgave

hej nogen der kan se på det her , har en eksamensopgave  og jeg mangler kun det der men er bare ikke find ud af det

Ret fejlene i felgende sretninger og forklar pa dansk dine rettelser. Brug relevant grammatiskJfaglig terminologi.

Every Monday I am going swimming in the lake.
People has said that lake water is good for you.
The science has shown that smoking is dangerous.
Hide a smokers cigarettes. and he or she turns nasty.
Her parents knew too good that something was wrong.
Rome was not build in a day.
They used to lay on the grass for hours.
Her father told that she needed a pair of new glasses.