The number of molecules is /are pyramidal in shape :

${\mathrm{XeO}}_3,{\mathrm{NCl}}_3,{\mathrm{ClF}}_3,\mathrm{P}{\left({\mathrm{SiH}}_3\right)}_3,\mathrm{N}{\left({\mathrm{SiH}}_3\right)}_3$

${\mathrm{XeO}}_3,{\mathrm{NCl}}_3,\mathrm{P}{\left({\mathrm{SiH}}_3\right)}_3$are pyramidal because double bonds exist between the molecules and there will be lone pair-bond pair repulsion in the molecule since the center atom has a lone pair. 

Pyramidal geometry will be created by distorting the trigonal planar geometry. Hence, ⁣${\mathrm{XeO}}_3,{\mathrm{NCl}}_3,\mathrm{P}{\left({\mathrm{SiH}}_3\right)}_3$ has pyramidal shape.