<P> Certain types of clause, mostly dependent clauses, use a verb form identified with the subjunctive mood . The present subjunctive takes a form identical to the bare infinitive, as in It is necessary that he be restrained . There is also a past subjunctive, distinct from the indicative only in the possible use of were in place of was in certain situations: If I were you,...</P> <P> For details of the formation and usage of subjunctive forms in English, see English subjunctive . </P> <P> An independent clause in the imperative mood uses the base form of the verb, usually with no subject (although the subject you can be added for emphasis). Negation uses do - support (i.e. do not or don't). For example: </P> <Dl> <Dd> <Dl> <Dd> Now eat your dinner . </Dd> <Dd> You go and stand over there! </Dd> <Dd> Don't ever say that word again . </Dd> </Dl> </Dd> </Dl>

Uses of the verb to have in english