also, too, as well, either的区别、用法及练习题also, too, as well, either中文都有“也”的意思。also, too, as well都只用在肯定句之中，只是在句中所用的位置不同。而either只用在否定句之中。下面是结合例句的详细讲解。1. also, 用于肯定句中，表示“也”的意思。如： Jane speaks French. Sam also speaks French. He loves chocolate. I also love pizza. Frank can come with us. Nancy can also come with us.also在句子中的位置，主要有四种情况：(1) 放在be动词之后。如： I am also Canadian. I was also there.(2) 放在实义(行为)动词之前。如： I also sing. He also helped us.(3) 放在助动词、情态动词之后。如： I have als
