尽快地掌握科学知识，迅速提高学习能力,由威廉希尔app 为您提供的重点英语九年级知识点since和for，希望给您带来启发!

1)(对) Tom has studied Russian for three years. = Tom began to study Russian three years ago, and is still studying it now.

2)(错) Harry has got married for six years. = Harry began to get married six years ago, and is still getting married now.

显然，第二句不对，它应改为 Harry got married six years ago. 或 Harry has been married for six years.

只要这样踏踏实实完成每天的计划和小目标，就可以自如地应对新学习，达到长远目标。由威廉希尔app 为您提供的重点英语九年级知识点since和for，祝您学习愉快!