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There are some cats and dogs in the raining. Some cats and dogs are falling down together with the rain. The cats and the dogs are all wet in the rain. It is raining heavily.
must come must be caught must have caught must have got caught
A.will rain; will rain rains; will rain will rain; rains rains; rains
must be raining must havge been rain had to rain must have rained
must be raining must have rained had rained must rain
couldn’t have rained must be raining must have been raining could rain
was caught in the rain was caught by the rain caught by rain caught up a rain
must be raining must have been rain had to rain must have rained
have worked worked was working have been working
have worked worked was working have been working
dug have dug was digging have been digging
As if Even if If only Only if
A. will rain; will rain rain; will rain will rain; rains rains; rains
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