Do-Support

It is well-known that English requires a mechanism called `do-support' for negated sentences and for inverted yes-no questions without auxiliaries.

(385)0(385

(386)

John does not want a car .  (386)0(386

(387)

John not wants a car .  (387)0(387

(388)

John will not want a car .  (388)0(388

(389)

Do you want to leave home ?  (389)0(389

(390)

want you to leave home ?  (390)0(390

(391)

will you want to leave home ?