Sentence examples for main problem was that from inspiring English sources
"The main problem was that most of them listened superficially to the lyric of the song, imagining that it detailed or called on an innocent's sexual initiation".
The main problem was that staining for c-Met was also regularly seen at the periphery of the myofibres and accumulated close to myonuclei (Fig. 10).
Medem's main problem was that he was Basque.
Our main problem was that we only got a little bit of the pumpkin flavor.
Gordon Brown's main problem was that he didn't; watching him work a room was agony.
The main problem was that the Afghan government seemed incapable of holding captured ground.
The main problem is that, compared with other parts of the world, costs are not low.
The mini-series's main problem is that six-hour running time.
The main problem is that old computer systems store customer data in lots of different places.
The main problem is that channel estimation errors accumulate across the consecutive stages.
The main problem is that most suspects are dead.
