c1=ParametricPlot[{t,Abs[t]},{t,-1,1},AxesLabel->None, Ticks->None]

c2=ParametricPlot[{t^2,t^3},{t,-1,1},AxesLabel->None, Ticks->None]

c3=ParametricPlot[{t*(t-1),t*(t-1)*(2*t-1)},{t,-1/8,9/8},AxesLabel->None, Ticks->None]

c4=ParametricPlot[{1-Cos[t]+(2-t)*Sin[t],Sin[t]+(2-t)*Cos[t]},{t,-4,8},AxesLabel->None, Ticks->None]

List[c1,c2,c4]

c5=ParametricPlot[{t-Sin[t],1-Cos[t]},{t,0,4*Pi},AxesLabel->None, Ticks->None]

c6=ParametricPlot[{t-1/2*Sin[t],1-1/2*Cos[t]},{t,0,4*Pi},AxesLabel->None, Ticks->None]

c7=ParametricPlot[{t-3/2*Sin[t],1-3/2*Cos[t]},{t,0,4*Pi},AxesLabel->None, Ticks->None]