have done for/since和have been doing for/since区别i have lived in us for 2 months i have been living in us for 2 months i have lived in us since 2 months agoi have been living in us since 2 months ago小弟实在没财富 对不起啊,
问题描述：
have done for/since和have been doing for/since区别
i have lived in us for 2 months
i have been living in us for 2 months
i have lived in us since 2 months ago
i have been living in us since 2 months ago
小弟实在没财富 对不起啊,
答
你是否把 US 打成小写了?这四句话译成中文是一样的：我已经在美国居住了两个月了.不同之处是,1 3 两句话用的是现在完成时,2 4两句话用的是现在完成进行时.这一点是英语比汉语优势的一点.现在完成时表示一动作从过去...