1.
He has been speaking English since he came to the USA.
（现在完成进行时，强调动作的连续性。
2.
Complete these sentences with the present continuous form of the verbs given in the brackets, changing the word order where necessary.
用括号中所给的动词的现在进行时完成句子，必要时变化词序。
3.
present perfect
ph.1. 【语】现在完成时,2. 【语】现在完成时的
4.
During the procession, the microprocessor finished the processing procedure.
在队伍行进时,微处理器完成了加工过程.
5.
to execute and complete certain Works and remedy any defects therein as therein mentioned in conformity with the provisions of the said Contract.
去实施并完成某项工程,并在工程出现任何缺陷时,按上述合同中有关条款规定进行修补。
6.
Installation of applications on this computer is complete. The computer will now restart.
已完成在此计算机上进行的应用程序安装。计算机现在要重新启动。
7.
During Iteration Planning, the Customer presents the features desired for the next two weeks.
在进行迭代计划时，客户演示下两周内希望完成的特性。
8.
Change the following sentences into the Present Continuous Passive Voice.
把下列句子变成现在进行时的被动语态。
9.
`I have finished' is an example of the present perfect.
“我已经完成了”是现在完成时态的一个例句。
10.
a perfective tense used to express action completed in the present.
一种用来表达现在已经完成的动作的完成时态。
11.
And will learn The simple past tense, The present perfect tense, The past perfect tense as well as The future tense.
这个学期，我们学到了过去时，现在完成时，过去完成时和将来时等。
12.
Cleanup of merge meta data cannot be performed while merge processes are running. Retry this operation after the merge processes have completed.
合并进程运行时无法执行合并元数据的清除。请在合并进程完成后重试此操作。
13.
Download Complete. Extracting Files.
下载完成。正在对文件进行解压缩。
14.
The work is in hand and will soon be completed.
这工作在进行中, 不久即可完成.
15.
The work is in hand and will soon be finished .
工作在进行中，很快就会完成。
16.
The work be In hand and will soon be completed
这工作在进行中, 不久即可完成
17.
The request has been accepted for processing, but the processing has not been completed.
已接受请求，正在进行处理，但尚未完成。
18.
Queen Mary's joint degrees will be taught entirely in China.
女王玛莉双学位将完成在中国进行。