Example sentences of "they [vb mod] [be] difficult " in BNC.
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1 | Lie the central nervous system complications , however , they may be difficult to diagnose without the clues given by the coincidental involvement of the skin and mucous membranes . |
2 | In the evolutionary version , the payoffs are changes in fitness ; hence , although they may be difficult to measure , they do fall naturally on a linear scale . |
3 | The same applies to SCSI and ESDI type drives , for which cacheing controllers are available , although ESDI seems to have fallen out of favour recently , so they may be difficult to find . |
4 | Indeed , since closed class items are among the most frequent lexical items in spoken and written English , it seems extremely unlikely that they should be difficult to retrieve . |
5 | So far , there 've been more a dozen such incidents across the region , but a psychologist who 's been studying them is warning that they 'll be difficult to stop . |
6 | The units shown go to 6,000 gallons which represent a pond some 12′ × 14′ × 6′ deep ; effectively you could double or treble these up but they would be difficult to disguise . |
7 | They would be difficult to enforce , and in any case we should be encouraging young people to be active in the countryside . |
8 | Local income taxes might be thought capable of performing better against the criterion of equity , but it was argued that they would be difficult to administer in the UK , for the reasons outlined by Kay and King ( 1986 ) . |
9 | If you allow bad habits during practice , they will be difficult to lose later . |
10 | " The greens as yet are slow but in two years ' time they will be difficult but a very good test of touch and eye . |
11 | Badgers usually only venture out after dark , so they can be difficult to spot . |
12 | They can be difficult to fit into a tank with a central brace . |
13 | It is a very personal taste so they can be difficult to sell . |
14 | Although verbal agreements can be binding in law , they can be difficult to prove in later years , particularly when a new not so friendly neighbour comes on the scene . |
15 | And remember they can be difficult to remove ! |
16 | They can be difficult to find , and may follow , rather than precede , a relevant purchase . |