find the mistake in each of the following sentences
1-scientists can certify crops by adding or removing certain genes.
2-we should take measures to improve the fertile of the soil
3- the louvre museum includes a number of original paintings
4-never be late .arenot you
5-there isnot hardly any salt in the food . is there
6-another six weeks will be a long time to stay here .willnot they
7-exchanging goods was a relative type o trade that began long tim ago
8-i hate this place because of its remote
9-the sailors left thir ship and went assure in a small boat
10-many laws and rules punish people who arrest rare animals
11-our first english homework was to write an interview of a short story
13-the coral of the film was that crime doesnot pay

despite all the warnings .many people last to smoke-14