Common mistakes

RED - INCORRECT
GREEN - CORRECT


I have nine years old
I am nine years old

*You can have things, not years!

Old days I go to school
I go to school every day

*Old is an adjective, example: my grandmother is old, she is eighty years old

She play at the park
She plays at the park

*Don't forget the ''s'' of the third person

Yesterday I write a story
Yesterday I wrote a story

*If you talk in the past, the verb must go in the past

A lot of persons went to the concert
A lot of people went to the concert

*One person BUT two, three, one thousand people

I like go to the beach
I like going to the beach

*After like, dislike, hate, love, etc you must write the verb with -ing

The house of my friend
My friend's house

*The second sentence is the proper way to say it

Does he plays tennis?
Does he play tennis?

*We don't write the ''s'' of the third person in questions and negative sentences

Did they studied hard?
Did they study hard?

*In questions and negative sentences you don't have to write the verb in the past

Ana is more funnier than Juan
Ana is funnier than Juan

*Comparative form: short adjective+er than.... (longer than...) 
more + long adjective+than (more interesting than...)