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2answers
182 views

Can verb tense be changed mid-sentence for something that still exists?

Look at this sentence: I knew that the sky is blue. To me, it doesn't make sense to say the sky was blue since it still is blue. Even so, is it grammatically incorrect to say I knew that the sky ...
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1answer
2k views

Questions in indirect speech and verb tense change

Today I had another English lesson and all students were instructed by teacher to ask each other few predefined questions and then to report them. I got the following questions: "What kind of ...