You can do everything about English.

You can do everything with English.

Another thing to do is isten to the BBC English podcasts while commuting cooking or exercising, this way you can make use of the time when you're physically busy.

to do is listen

If you make it, it will help you stay fresh with your vocabulary use English daily and it will also help you think in English.

vocabulary. Use English daily and it will also help you think in English.

What you have to do is persisting in shadowing.

What you have to do is be persisting in shadowing.

How to incorporate English into daily life?.

I'm nit picking a bit, but this sentence is not technically a question.

You can do everything aboutin English.

I wasn't sure of your meaning here, but I think your next sentences explain more clearly what you mean.

Watching funny English videos and TV shows.

Again, this is not technically a whole sentence on it's own, but if it's joined with the previous sentence, it works. i.e. "You can do everything in English: watch funny English videos and TV shows, listen to podcasts, or something else... " you would need to carry on the list to make a whole sentence. Usually lists have a minimum of 3 items.

Another thing to do is listen to the BBC English podcasts while commuting, cooking or exercising, this way you can make use of the time when you're physically busy.

Another way to effortlessly incorporate English into your busy daily life could be by making shopping lists or to -do lists in English.

If you make it, it will help you stay fresh with your vocabulary u. Use English daily and it will also help you think in English.

I'm not quite sure what your first 'it' is referring to. Were you referring to the lists you were talking about making in the previous sentence? The other option I can think of is something like: "If you manage to incorporate English into your daily routine, it will help you keep the vocabulary fresh in your mind."

What you have to do is persisting in shadow??ing.

I'm not sure what you mean by 'shadowing'. Sometimes you can 'shadow' a person in the workplace if you are learning their job, for example, but I don't know how that would relate to what you're talking about.

The sentence would make sense just 'What you have to do is persist.' or 'What you have to do is persist in the face of difficulty.'

The one thing I can think of is shadowing and imitating.

Again I'm not exactly sure what you want to say with 'shadowing'.

To dDo the above-mentioned activities, not only to maintain your level but also to improve it.

The highgreater your level of English isEnglish proficiency, the easier it is to maintain it.

It is incorrect to use 'is' before a comma. Here you can omit 'is' from the first clause. "The higher your level of English" is fine, though the alternative sounds more fluent.

How to maintain your English proficiency also depends on your current levelIn addition, depending on your ability, there are different methods to maintain proficiency.

Your sentence is a little clunky.

You can do everything about Englishuse English for everything. ¶
OR¶
You can incorporate English into anything.

'English' has to be connected to the verb, e.g. "I speak English for fun". Furthermore, 'about' is nonsensical in this sentence. Instead, you need to use words such as 'for', 'in', 'to', etc.

Watching funny English videos and TV shows.

Certainly.

Another thing to do is dditionally, you can listen to the BBC's English podcasts while commuting, cooking or exercising, this way you can make use of the time when you're physically busy.. In doing so you can efficiently use your time, even if you're busy with another task.

You can kill two birds with one stone, so to speak.

Nice use of an idiom. Always remember to use a comma before 'so to speak'.

Another way to effortlessly incorporate English into your busy daily life could be by making shopping lists, or to do listslists in general in English.

A simpler, more fluent way of writing this would be "By writing your shopping lists in English, you can effortlessly incorporate English into your busy daily life."

If you make it, it will help youConsequently, your English vocabulary will stay fresh within your vocabulary use English dailymind, and it will also help you think in English.

We all use the internet daily to find information on various topics, so try to search for that information in English.

Well done.

What you have to do is persisting in shadowing.

Huh? Did you mean to say "What you have to do is remain persistent."?

The one thing I can think of is shadowing and imitating.

Grammatically correct, but this doesn't convey your point well.

ToBy doing the above-forementioned, not only tocan you maintain your level but also toproficiency, but also potentially improve it.

However, it takes some time and effort.

Very true.