Polly Lingual
Perfect Present Tense (Compound Past)
수업 시작
교수형 집행인
구
Phrases
You have been there.
관련 강의
Related Lessons
How Are You?
현재시제
Present Tense
사람들 만나기
Meeting People
The Present Progressive Tense
~s Verbs
강의
Courses
중급
Intermediate
문법
Grammar
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