Lesson 68: Suffix rules

Run + ing =

• runing

• rruning

• running

rob + er =

• roober

• rober

• robber

swim + ing =

• swimming

• swiiming

• swiming

plan + ed =

• planed

• pllaned

• planned

walk + ing

• walking

• walkking

• wwalking

test + ed

• testted

• tested

• ttested

whisk + ing =

• whisking

• wwhisking

• whiskking

sink + ing

• sinking

• singing

• sinked

help + ing

• helpping

• helped

• helping

big + est =

• biggest

• bigest

• bbigest