when引导的时间状语从句(1)

“when” means “at the same time”
Use “when” to practice.
After the students became quiet, the teacher came in. When the students became quiet, the teacher came in.
After I went to Beijing, I visited Tian Anmen Square.
When I went to Beijing, I visited the Tian Anmen Square. Before I got to the airport, the guests had left． When I got to the airport, the guests had left．
•When he finished his homework, he went to play basketball. •Before I got to the airport, the guests had left． •When I got to the airport, the guests had left．
Complete the sentences with the correct tense for the verbs in brackets.
1. When John ________ arrived (arrive), I ___________ was cooking (cook) dinner. came was reading 2. When she ________ (come) into my room, I __________ (read) a book.
•When the telephone rang, my brother was doing his homework.
“at the same time”
When I got to the airport, the guests had left． “when” means “before” When I went to Beijing, I visited the Tian Anmen Square. “when” means “after” When we were dancing, a stranger came in.
What were your families doing when you were doing your homework? Please write 3 sentences with “when” to describe.
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•After the teacher came in, the students became quiet. •When the teacher came in, the students became quiet.
•After he finished his homework, he went to play basketball.
•I was watching TV. •My sister was in the shower .
•When I was watching TV, my sister was in the shower .
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•My brother was doing his homework.
•The telephone was ringing.
3. When we ____________ were watching (watch) TV, the telephone rang __________ (ring).
were dancing (dance), a stranger __________ came 4. When we ___________ (come) in.