A.on B.ahead of C.prior to D.in front of
A.at B.in C.by D.with
A.to receive B.receiving C.received D.receive
A.clear B.to clear C.clearing D.cleared
A.in B.on C.with D.by
A.On B.In C.At D.During
A.received B.saw C.met D.encountered
A.In B.On C.From D.To
A.Continue B.Start C.Commence D.Stop
A.At B.On C.Of D.In