Walk ahead….to proceed
    When we come to the narrow trail, we walk ahead
Walk along…..to stroll along
     He walked along through the forest
Walk around….to wander around
     I think I'll walk around awhile
Walk away…..1- to leave; to depart; to go away
                                He said good-bye and walked away
                        2- to survive an accident unhurt
                                He walked away from the plan crash
Walk by…….to pass by
     That man just walked by.
Walk down…(informal) to wear down in walking; to make exhausted by walking
     After an hour of walking, he managed to walk his friend down.
Walk in…….to enter
     The man walked in a few minutes ago
Walk in on…(informal) to come unexpectedly
     The guest walked in on me unexpectedly
Walk off……to depart, leave, or go away without warning
     Bill just walked off
Walk off the job….to quit the job; to abandon the job
     Bill walked off the job.
Walk of with…(colloquial) to steal.
     He walked off with my textbook
Walk on…….to continue walking.
     Although he was afraid, he walked on toward the old house
Walk out……1- (colloquial) to go on strike.
                               The workers walked out at two o'clock
                       2- to leave.
                                He walked out before the meeting started.
Walked out on….(colloquial) to abandon or desert; to show disapproval by leaving
      We were to have a conference, but Bill walked out on us
Walk up…....to arrive walking
      He just walked up.
To Be Continued 
