True Modals and Periphrastic Modals
True Modals			Periphrastic Modals
	English	Português		English	Português
can, could	Sarah can eat	Sarah pode comer	be able to	Sarah is able to eat	Sarah pode comer
wil, shall	Casey will eat	Casey comerá	be going to, be about to	Casey is going to eat; Casey is about to eat.	Casey vai comer; Casey está prestes a comer
must	Sarah must eat	Sarah deve comer	have to, have got to	Sarah has to eat; Sarah has got to eat	Sarah tem de comer; Sarah tem que comer
should, ought to	Casey should eat	Sarah deveria comer	be to, be supposed to	Casey is to eat; Casey is supposed to eat	Casey é pra comer; É necessário que Casey corra
would	Sarah would eat	Sarah ia comer	used to	Sarah used to eat	Sarah corria
may, might	Casey may eat	Casey poderia comer	be allowed to, be permitted to	Casey is allowed to eat; Casey is permitted to eat	Casey tem permissão para comer; Casey é permitido a comer