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catch caught have caught had caught
if there is a bus stop near here how can we get to the nearest bus stop where can we find a bus stop when we can go to the nearest bus stop
/; the /; a the; a the; the
decision choice advice reason
reason habit choice mistake
would have left must have left might have left should have left
/; the /; a the; a the; the
arrived/would catch arrived/would have caught had arrived/had caught had arrived/would have caught
/; the /; a the; a the; the
decision choice advice reason
there comes the bus there is the bus coming there the bus comes there is coming the bus
had been delayed were delayed have been delayed are delayed
choice decision reason information
/ ; the / ; a the ; a the; the
不填;the the; 不填 a; the the; a
/; the /; a the; a the; the
way possibility choice selection
/, the /, a the, a the, the