Sentence examples for this has sometimes from inspiring English sources

This has sometimes proved tricky.

This has sometimes worked in the past.

In the past, this has sometimes led to over-hasty claims of anti-Semitism.

This has sometimes been ignored: Deng himself acted the despot in times of crisis.

This has sometimes led observers to label her Blairite, after Britain's prime minister.

This has sometimes been painful, cannibalising existing sales and lowering revenues and profit margins.

However, recent human-induced range shifts or invasions have allowed new species to co-occur, and this have sometimes resulted in hybridization and biodiversity loss, as was the case between introduced mallards and the native Hawaiian duck (Rhymer & Simberloff 1996).

But this season has sometimes been a struggle.

This period has sometimes been referred to as the "Neoglacial".

This reaction has sometimes been defended as natural but eccentric.

In the past, this prize has sometimes seemed like a showcase for so-called 'Commonwealth literaturee.