... 25/2/2016 UEfAP Verbs Modal Verbs A modal verb is a type of auxiliary verb. Its function is to modulate the meaning of the verb. They have grammatical functions, helping to form complex verbal groups. Examples are “can”, “may”, ... when the passive is used. An example is "increase". It is possible to write: Inflation was increased http://www .uefap. net/grammar/grammarineap verbs 2/3 25/2/2016 UEfAP Verbs Inflation increased Students often write "Inflation was increased." when it would be more appropriate to write: "Inflation ... revolve, rewind, rock, roll, run, scatter, separate, shake, shut, spill, spin, split, stand, start, stiffen, stop, strengthen, stretch, swing, tear, terminate, tighten, toughen, transfer, turn, twist, vaporise, weaken." See Also: http://www .uefap. net/grammar/grammarineapverbs...