tend attend intend三者有什么区别么~

tend可以表示照看和照料，表照看时是tend sb,如(1) If you tend someone or something, you do what is necessary to keep them in a good condition or to improve their condition.For years he tended her in her painful illness.= look after表照料时是tend to sb(2) If you tend to someone or something, you pay attention to them and deal with their problems and needs.In our culture, girls are brought up to tend to the needs of others.= attend仔细读来，上面这两种的区别，也好似“照料”和“照看”的区别。“照料”往往不限于一时一地，比如母亲照料家庭、父母照料生意等等，好像都是讲的一种状态，而非某个时间点的行为。而“照看”，则多局限于一时一事，最多的例子是“照看孩子”

intend to do打算做某事 tend to do趋向于做某事