A was looking forward to B have been looking forward to
C had been looking forward to D looked forward to
A have you arrested B will have you arrested
C must have you arrested D have you arrest
A can't afford B couldn't afford
C won't afford D unable to afford
A can't afford B couldn't afford
C won't afford D unable to afford
A should come B is coming
C comes D will come
A had been promoted B has been promoted
C has promoted D had promoted
A discovered B has discovered
C discovers D had discovered
A had been cleaning B is cleaning
C has been cleaning D was cleaning
A moves B moved
C has moved D has been moving
A she'd never forgive me B she never forgive me
B she'll never forgive me D she does never forgive me
A they had got to the bus stop B had they got to the bus stop
C did they get to the bus stop D they got to the bus stop
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