Example sentences of "main problem [is] [adj] [noun] " in BNC.
Next page| No | Sentence |
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| 1 | Apart from evaporation ( unlikely except in an unoccupied house in hot weather ) , the main problem is that water can be ‘ siphoned ’ or sucked out of traps if the system has not been designed properly to avoid pipes running ‘ full ’ and thus causing suction at the trap . |
| 2 | Their main problem is that food is not absorbed from the gut properly . |
| 3 | the main problem is low response rate . |
| 4 | In oil , the main problem is administrative disruption following last June 's merger of the oil and gas industries and the switch to greater financial autonomy for individual production units , coupled with intended massive cutbacks in capital investment plans as the government seeks to balance its own books . |
| 5 | And that the main problem is those councillors who are concerned about it , and |