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Should I know If I knew Had I known If had I known
surprised;what surprising;what surprised;that surprising;that
happen happened to happen happening
might happen must have happened would have happened could happen
Should; would Were; should Would; should Had; would
happen happens will happen has happened
was were will be would be
Were they to know Had they known Should they know Did they know
what we think should happen what should we think happen we think what should happen we should think what to happen
The imput of labor would be increased. The unemployment rate would go up. Those who have jobs would all become better off. Women as a group would earn more than before.
wondering wondered wonder to wonder
Were they to know Had they known Should they know Did they know
Henry would have a pleasant journey. The airhostess would help Henry do as much as possible. The airhostess would help Henry to see some films. Henry was worried most of the way.
will; should can; must shall; might would; may
would happen could happen would have happened needn’t have happened
happened happens will happen would happen
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