Grammar tutorial - Past Continuous T…: English ESL worksheets pdf & doc
Past Continuous Tense 過去進行式I was doing… Past Continuous Tense We use the past continuous to say that somebody was in the middle of doing something. - ppt download
小朋友學英文】小三小四免費工作紙 練習簡單Grammar用法|香港01|親子 | Present continuous tense, Verb tenses, Learn english