My composition has not been completed yet.

我的作文还未写完。

This field has not been cultivated for years.

这片土地已荒废多年了。

His appointment has not been formally approved yet.

他的任命还未获正式批准。

Titles to the estate has not been extinguished.

财产的所有权尚未失效。

I hope she hasn't been a bother.

我希望她不要这么讨厌。

Efforts to sandardise English spellings have not been successful.

英语拼写标准化的努力并不成功。

The claims have not been proved (or proven ).

那些要求权没有被证实（或 proven )。

She certainly hasn't been pining while you were away!

你不在的时候她可并不难受。

I'm always para when I haven't been sleeping.

我长时间不睡觉时总感到焦虑不安。

Why so glum? The votes haven't been counted yet.

为什么那么气馁？选举结果还没出来呢。

The date of manufacture of the jewellery has not been authenticated.

这些珠宝的制造日期尚未经证实。

I have not been interdicted from consuming or holding alcoholic beverages.

我没有被禁止饮用或贮藏酒精饮料。

It later transpired that he hadn’t been telling the truth.

他当时没说真话, 这在后来显露出来了。

The product had not been adequately tested before being put on the market.

这种产品在投放市场前没有进行充分的检验。

She hasn't been feeling well lately and she let the housework slide.

她近来一直感到不适, 对家务也就随它去了。

There has not been much publicity about this conference at the top level.

对这次高级会议没有作什么宣传。

I haven't been able to orient my ideas to the new conditions.

我还未能使自己的观点适应新情况。

The other bidders for the contract complained that it had not been a fair contest.

其他竞标人抱怨说该合同的竞标不公平。

Most of these genes have not been reported to relate to the haematogenesis in ontogeny.

这些基因大多数在胚胎分化造血发育中的作用尚未见报道。

We haven't been anywhere this summer.

今年夏天我们没有到任何地方去。