翻译:到今年年底,我就可以完成这项工程.

I will have finished the project by the end of this year.时态是将来完成时．构成和用法如下：

将来完成时
1) 构成will have done sth.
2) 概念
a. 状态完成：表示某事继续到将来某一时为止一直有的状态。
b. 动作完成：表示将来某一时或另一个将来的动作之前，已经完成的动作或一获得的经验。
They will have been married for 20 years by then.
You will have reached Shanghai by this time tomorrow.

I will have finished the project by the end of this year.这个句子中”by"是完成时的标志性介词，为”在年底前，工程已经完成了”的意思．

到今年年底,我就可以完成这项工程.
I will have finished this project by the end of this year.

I will finish this project at the end of this year.

注意后面的介词短语。

用的是将来完成时，表示到将来的某个时刻时，某件事情已经发生或完成。注意，这件事情一定是要在将来完成的。

用的是将来完成时，