He often helps other students with their studies and be welcomed by students.

显示全部楼层 · 2013-7-2 23:07:52

仔细看看，确实有问题——整体句子结构是：简单句+and+简单句但是，问题在于，and后面的谓语动词用错了。改正后应该是——He often helps other students with their studies and 【（he）is】 welcomed by students.或者：He often helps other students with their studies and 【（he）should be】 welcomed by students.祝你开心如意！...

千问 · 2013-7-2 23:07:52

He often helps other students with their studies and （he is）welcomed by students.要把be改成he is。因为and连接两个并列句，既然你前面是用的一般现在时，后面也要用一般现在时态、...