I have not completed it yet . vs I had not completed it yet

Some examples from the web:

• The committee has not completed its work.
• It is unacceptable for the candidate countries to be taken hostage because we have not completed all our tasks.
• Yet, implementation of many of these measures by the Member States is not completed.
• It is a pity that Hitler work has not completed.
• Since then the process of clearing up the aftermath has been very slow and is still not completed.
• 'OPT' when the variable is optional and is not completed.
• I have not completed one full revolution of your sun, yet I have found that Earth is more beautiful and harder than any place I have ever been.
• In Article 22 a new provision was added for waste facilities that have stopped receiving waste on the date of transposition of the Directive but have not completed their closure procedures yet.
• One of the principal characteristics of the dramatic upheavals in the labour market over the last decade and more is the high rate of unemployment among the unskilled workforce and workers who have not completed their secondary education.
• My seamstress has not completed her work.
• In 1997, work was actually begun, but it was not completed.
• It is also about lack of recognition and about hindrances at national level whereby the internal market is not completed.
• Two Member States have not completed the regulatory quality reporting.
• Parliament has now completed its agenda.
• During 2004, the Commission completed its modernisation package.
• I have to pretend not to know her till the song is completed.
• Too bad you never completed it.
• Excellent work has already been done, but we have not completed the task yet, and I would therefore urge that the following be implemented.
• We know that negotiations are under way, but they are not completed.
• Another point on which we must, in my view, be very careful is that these short deadlines for the introduction of the project may lead to great bitterness if the projects contained in this proposal are not completed.

Some examples from the web:

• She had not completed a play in seven years.
• The committee has not completed its work.
• Those provisions have been put back for one year because Member States had not completed the preparatory work to enable the legislation to be implemented.
• The refusal was based on the ground that the applicant had not completed a period of at least two years' professional experience after qualifying as a lawyer.
• He stressed that while Lebanon had acted immediately to comply with the UN resolution, Israel had still not completed its withdrawal from Lebanon.
• Since he had not completed a housemanship in Austria, he had to work at the University Clinic in Tübingen (dermatology clinic) for three years before securing a certificate confirming his status as a medical academic assistant.
• According to the Eurostat News Release dated 22 October 2010, Eurostat did not publish the figures for Greece owing to the fact that it had not completed the quality assessment of the relevant data.
• My seamstress has not completed her work.
• Parliament completed its first reading on 28 September 2005.
• Parliament has now completed its agenda.
• During 2004, the Commission completed its modernisation package.
• Where a national regulatory authority has not completed its analysis of a relevant market identified in the Recommendation within the time limit laid down in Article 16(6),
• It's not completed until you make the film about learning to love.
• It's not completed till I get to that machine.
• Yet, implementation of many of these measures by the Member States is not completed.
• It is a pity that Hitler work has not completed.
• Paragraph 19 refers to the 1994 inventory, not completed by 1996.
• Since then the process of clearing up the aftermath has been very slow and is still not completed.
• existing EC legislation where transposition into national law is still not completed;
• They are not completed and operational.