TelephoneAn English Class through Telephone An English Class through Telephone

A Telephonic English Class This example plays with words a little bit, it's more creative.

ForTo improvinge my speaking skills, I have attended a telephone English class for 3 months. To improve my speaking skills, I attended a telephone English class for 3 months.

I'm sorry, I can't explain why, but the present perfect (I "have" + past tense) isn't necessary here

ForTo improvinge my speaking skills, I have attended a telephone English class for 3 months. To improve my speaking skills, I attended a telephone English class for 3 months.

ForTo improvinge my speaking skills, I have attended a telephone English class for 3 monthshree month English course through telephone. To improve my speaking skills, I attended a three month English course through telephone.

The usage of the word For here is not quite right. You should use In order to... or To improve. Telephone is a noun and does not describe other words. Telephonic English course would be appropriate, but it isn't common and would be considered fun or creative. So, you can just say I took the course through the telephone... Or via telephone. In this context describing the English course as a three month course sounds more natural.

ForTo improvinge my speaking skills, I have been attendeding a telephone English class for 3 months. To improve my speaking skills, I have been attending a telephone English class for 3 months.

Unlike writing sentences, I couldn't easily make sentences while speakfind it difficult to construct sentences ing English. Unlike writing sentences, I find it difficult to construct sentences in English.

Just some corrections to make it sound a little more natural

Unlike writing sentences, I cfouldn't easilynd it difficult to make sentences while speaking English. Unlike writing sentences, I found it difficult to make sentences while speaking English.

Unlike writing sentences, I couldn't easily make sentences while speaking English. Unlike writing, I couldn't easily make sentences while speaking English.

This seems better, although your are correct.

Unlike writinghen I wrote sentences, I couldn't easily make sentences while speaking English. Unlike when I wrote sentences, I couldn't easily make sentences while speaking English.

More and more I practiced EnglishI practiced more and more during the class, and now it is easier to communicate with my teacher. I practiced more and more during the class, and now it is easier to communicate with my teacher.

More and more I practiced English more and more during the class, and now it is easier to communicate with my teacher. I practiced English more and more during the class, and now it is easier to communicate with my teacher.

More andThe more I practiced English during the class, now it is easierin class, the easier it was to communicate with my teacher. The more I practiced English in class, the easier it was to communicate with my teacher.

More and more isn't appropriate here. During the class feels too specific, just say during class or in class.

More and morBecause I practiced English more and more during the class, now it is easier to communicate with my teacher. Because I practiced English more and more during the class, now it is easier to communicate with my teacher.

Though my sentences are not perfect and natural, I will keep practicing to speakcontinuing to practice. Though my sentences are not perfect and natural, I will keep continuing to practice.

TAlthough my sentences are not perfect and natural, I will keep practicing to speak. Although my sentences are not perfect and natural, I will keep practicing.

Though my sentences are not yet perfect andor natural, I will keep practicing to speak.speaking to improve. Though my sentences are not yet perfect or natural, I will keep practicing speaking to improve.

"I will keep practicing to speak." Is incorrect. I will keep practicing speaking. I will keep practicing swimming. I will keep practicing cooking.

Though my sentences are not perfect and natural, I will keep practicing to speak (it). Though my sentences are not perfect and natural, I will keep practicing to speak (it).

Or: Though my sentences are not perfect and natural, I will keep practicing my speaking.