Another thing important to practice in english is when to use singular and plural forms. One way to practice this is by taking a sentence in singular and changing it to its plural form.
Here its an example:
I have a child. (singular)
I have many children. (plural)
In this link you can find many examples to practice this. Try it out!
Everyone has a hobby for doing at your free time. In my case I love to play video games. Other people like to play board games, watch movies, etc. Try doing any of your favorite activities in english, this way you have fun and practice your grammar at the same time.
For example the next time you watch a movie, try watching it in english, removing any subtitle option it has. It really help to have fun while you are practicing and this is a great way to do it.
Watch this short film. It is really good and will help you practice!
When you talk with someone in english, you will be able to learn how good your grammar really is. When you are talking you need to conjugate verbs in the correct tense or else the other person will not understand your ideas.
Try talking with native english speakers. Ask them to correct your mistakes during the conversation.
This will really improve skills.
It is normal to make mistakes when you are starting to talk fluently in english, so don't be shy!
In this video you will find daily expression to use in your conversations.
When you feel your grammar level is good enough try to start writing. You can write an email, a letter, a web page, a blog or even in a personal dairy. When you write you are forced to practice all your knowledge in grammar without noticing it.
Its important that when you finish your publication ask a teacher or someone you consider good at english to read your document. This way you will found the mistakes you made and learn to correct them.
In this video you can learn how to start writing a letter in english. Try it out!
You can always practice your knowledge in verb tenses by changing a sentence that is in past to its present form. Doing the oposite is just as effective!
Here is an example:
They went to the bus stop. (past)
They go to the bus stop. (present)
Notice how the meaning of the sentence change by doing this exercise.
There are different ways to say the same thing. It all depends in what information you want to emphasize of sentence. Active and passive sentences are a great way to change your sentences while at the end you say the same information, also changing a sentence from active to passive helps a lot for practicing english.
Here is an example:
You are using a computer. (Active)
A computer is being used by you. (Passive)
This link will teach you the rules needed to make this kind of exercise.
A good practice is to change sentences you found into a question. This is a great way to learn and practice the structure of a statement and a question.
Here is an example:
Today is going to be a rainy day.
Is it going to be a rainy day today?
Here you can find all the rules and examples to do this kind of exercise.