a)       There are lots of person in this room.

b)       The concert finish at five o’clock.

Advice: The verb should suit the subject:

a)       There are lots of people in this room.

b)       The concert finishes at five o’clock.

Advice: Use the correct tense, don’t mix tenses:

a)       I went to the shop and met my friend Robert.

b)       I met my sister last week.

3. There are articles or determiners in the wrong place or missing altogether:

a)       I bought new car last Saturday.

b)       I had some interesting meeting at work.

Advice: Use articles and determiners correctly:

a)       I had an interesting meeting at work.

4. Capital letters are used incorrectly:

a)       I’ll meet you on monday.

b)       my pal steve lives at 23 thames street, st albans.

Advice: Put a capital letter at the start of a proper noun and where necessary:

a)       See you on Monday.

b)       My friend Rob lives at 23 Thames Street, St Albans.