as well、too、either用与什么句型

1.as well和too都只能放在句尾,没有特殊句型.
He went to the party as well.他也去了那个聚会.
He went to the party,too.他也去了那个聚会.
2.either如果用作“其中一个”的意思,则与or搭配.
Coffee or tea,either is OK.咖啡或茶,哪个都行.
Either you or she go to the party.你或者她谁去聚会都行.
如果用作“也”的意思,则必须是对否定句的“也”.（否定的不可用too）
He doesn't agree with you.I don't agree with you,either.我也反对你.