大家帮我看看这个句子的结构?AandBtellmethattheyhavebeenexpectingasplendidcropthisyearandharvestinghasbeganearlierthanusual.时态不懂啊大家帮我说说havebeenexpectingaspiendidcropharestinghasbeganearlie

Question

大家帮我看看这个句子的结构?
A and B tell me that they have been expecting a splendid crop this yearand harvesting has began earlier than usual .
时态不懂啊
大家帮我说说have been expecting a spiendid cropharesting has began earlier 是什么时态啊?
为什么一个用have一个用 has呢?
has began为什么不是has begun呢?后者是被动吗?

Answer 1

they have been expecting a splendid crop this year and harvesting has
began earlier than usual.是两个并列的完成时态的句子,作that的宾语.整
句话是一个宾语从句.have been expecting的主语是 they,has begun的主语
是 harvesting收获.
A and B tell me that they have been expecting a splendid crop this
year and （that）harvesting has began earlier than usual .省略了that.
我觉得应该是has begun...
整句话的意思是：A和B告诉我说,他们今年一直期望庄稼长势好,收获已经开始
了,比以前要早.