Phrases of Time: since for

In pronunciation class, we have been practicing past tense _______ a whole week.

I'm going to take more English classes _______ at least a year or two.

I have been studying English _______ a long time.

_______I started watching pronunciation videos, I think I've improved a lot.

I have been studying English _______ I moved to the U.S.

I have also been taking a pronunciation class _______ the last 3 months.

I took a special speech class _______ 1 semester.

Ever _______ we learned how to pronounce -ed endings, I haven't had problems with past tense.

I've been practicing, by taking audio quizzes every day _______ my last test.

When I lived in my country, I studied English _______ 3 years.

_______the beginning of pronunciation class, I've been listening to more audios and watching more videos.

Learning to pronounce past tense -ed is really easy.  We studied the pattern _______ 20-30 minutes and then began to practice.