请定义下列词或词组并举例说明mood

请定义下列词或词组并举例说明
mood
【正确答案】：mood
答案：The mood of a verb expresses wishes, stipulates demands, or makes statements. There are three mood forms:
1)indicative e.g. I like grammar.
2)imperative e.g. Shut up!
3)subjunctive e.g. If I were you, I would buy a house in the city.