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need have avoided could have avoided will have avoided had avoided
it is necessary to have planted more trees many more trees need to plant our city needs more trees we must plant more trees
awful meaningless creative embarrassing
more; less fewer; more few; less fewer; less
bad meaningless creative meaning
some; some some; any any; some any, any
need have done should do could have done might be doing
healthy; health healthy; healthy health; health health; healthy
Only one one more some more one much
need have avoided could have avoided will have avoided had avoided
more two two another more some two more
only one one more some more one much
only one some more one more one much
somebody anybody everybody nobody
even besides yet therefore