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has been decreasing had decreased decreased is decreasing
known supposed regarded considered
This Tom’s old friend This old friend of Tom That’s Tom’s old friend This old friend of Tom’s
to be known him to be known that to be known it to be known
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are known as are known for known as known for
knowing known to know being known
Knowing Having known Known To be known
had known, when has known, before will know, after knew, until
Knowing Having known Known To be known
had they known; went all they they had known; went all they had they known; they all went they had known; they all went
climb had climbed climbed have climbed
a. They say great earthquakes are the only release for stress that has been building within the earth's crust along the southern edge of the Himalayas for decades. There are many ways of release for stress building within the earth crust such as an earthquake. Right Wrong Not mentioned
who is known whom is known what is known which is known
had they known; they all went they had known; went all they had they known; went all they they had known; they all went
knowing known to known being known