I take online English lessons almost every other days. I take online English lessons almost every other day.

Juga menulis "almost every day" dan "several times a week."

I take online English lessons almost every other days. I take online English lessons almost every other day.

There are a lot of tutors come from Indonesia. There are a lot of tutors from Indonesia.

juga boleh "there are a lot of tutors that come from Indonesia" atau "a lot of tutors in Indonesia".

There are a lot of tutors who come from Indonesia. There are a lot of tutors who come from Indonesia.

While sSome of them aren't diligent and; there are tutors that mess around withon their smartphone during my lesson. However, most tutors work enthusiastically to support my study. Some of them aren't diligent; there are tutors that mess around on their smartphone during my lesson. However, most tutors work enthusiastically to support my study.

I would break this sentence up into smaller pieces.

I hadn't asked for a certainsought out a good tutor, until I realized that choosing a good tutor iswould be more important than increasing the frequency of my English lessons. I hadn't sought out a good tutor, until I realized that choosing a good tutor would be more important than increasing the frequency of my English lessons.

I hadn't asked for a certain tutor until I realized that choosing a good tutor iwas more important than increasing the frequency. I hadn't asked for a certain tutor until I realized that choosing a good tutor was more important than increasing the frequency.

It must be a wasteful of time to chat with a lazy tutor. It must be a waste of time to chat with a lazy tutor.

It must be such a wasteful of time to chat with a lazy tutor. It must be such a waste of time to chat with a lazy tutor.

Good tutors let me know appropriate phrases and give me feedbacks in detail. Good tutors let me know appropriate phrases and give me feedback in detail.

Feedback itu konsep abstrak yg bukan plural Boleh "advice" dan "pieces of advice" tetapi didak ada "feedbacks" atau "advices".

Good tutors let me know appropriate phrases and give feedbacks in detail. Good tutors let me know appropriate phrases and give feedback in detail.

As a general rule, we don't ever use the word "feedbacks", it is never in the plural.

English Tutoring Online Tutor English Tutoring Online

Online English Online Tutor Online English Tutor

I don't know why, but we usually say it like this.