I first learned to read in English and after that I started to practice the listening.

These two skills are passive and, therefore, easier to improve.

Now, after many years spent only reading and listening to English, I have begun to practice my speaking which is so hard because is an active skills.

When I have an online class to practice this skill, I can't remember the proper words, my mind goes blank or I keep thinking in Portuguese and trying to translate what I want to say into English.

I really think that the only way to improve athe speaking is moving to a country which speaks the language you're learning.

SoThat way I would be able to get immersed and lihave new experiences in English

I first learned to read in English and afterwards, I started to practice themy listening skills.

It sounds better when you say "my listening skills", since you are talking about *your* listening

These two skills are passive and, therefore,, which is easier to improve.

sounds smoother this way

Now, after many years only reading and listening to English, I have begun to practice my speaking, which is so hard because it is an active skills.

When I have an online class to practice this skill, I can't remember any proper words, m. My mind goes blank or I keep thinking in Portuguese and trying to translate what I want to say into English.

I split this sentence because before it was a run off. If you have too many ideas in one sentence, cut it into two. I try to only have 2/3 clauses (ideas) in a sentence at the most.

I really think that the only way to improve the speaking is movingskills is to move to a country which speaks the language you're learning.

SoBy doing so, I would be able to get immersed and live new experiences in English.

"By doing so" refers to what you said in the sentence more smoothly than just "so"

I first learned to read in English and afterthen I started to practice the listening.

Generally, definite articles aren't used to refer to things in general, outside of certain cases with nouns that refer to tangible objects.

Now, after many years of only reading and listening to English, I have begun to practice my speaking which is so hard because it is an active skills.

When I have an online class to practice this skillfor my speaking, I can't remember the proper words, my mind goes blank or I keep thinking in Portuguese and trying to translate what I want to say into English.

I really think that the only way to improve the speaking is moving to a country which speaksere the language that you're learning is spoken.

The second half was technically right, but using the passive voice instead of using "a country" as a subject sounds more natural to me.

SoThat way, I would be able to get immersed and lihave new experiences in English