例如: I want to speak English.
可以表达为:I wanna speak English. 或:I'd like to speak English.
2. 如果你想找更书面一点的表达方式,可以选用:be desirous to,
例句:I am desirous to know further details. desirous 是个形容词,表示渴望的,想要的,比want to 更正式,表达的意愿更强烈;
也可用:intend to ,表示倾向于去做某事,想要去做某事.
例句:
I intended to catch the early train, but I didn't get up in time.
我本想赶早一点的`火车,可是我起晚了.
I intend to choose that pair of boots.
我倾向于选那双靴子.
需要注意的是,书面一点的语言会有细微的程度上的差异,你需要根据自己的上下文和实际情景决定表达方式.