# 2选择型Which sentence is in the past continuous tense?I eat breakfast.I was eating breakfast.I have eaten breakfast.I will eat breakfast.
# 3选择型Choose the correct past perfect tense sentence.She had left before I arrived.She leaves before I arrive.She will leave before I arrive.She is leaving before I arrive.
# 4选择型Identify the sentence in the past perfect continuous tense.He was playing soccer.He had played soccer.He had been playing soccer.He is playing soccer.