SN4 ""

No	Pattern	Freq
1	national [noun sg] and [noun]	447
2	national [noun] and [noun sg]	384
3	national [noun pl] and [noun]	195
4	national [noun] and [noun pl]	175
5	national [noun] and [noun prp]	82
6	national [noun] and space	43
7	national [noun] and space	43
8	national park and [noun]	41
9	national aeronautics and [noun]	38
10	national aeronautics and [noun]	38
11	national parks and [noun]	34
12	national power and [noun]	32
13	national power and [noun]	32
14	national [noun] and powergen	29
15	national [noun] and powergen	29
16	national [noun] and galleries	22
17	national museums and [noun]	22
18	national [noun] and gallery	22
19	national museum and [noun]	22
20	national curriculum and [noun]	17
21	national health and [noun]	17
22	national health and [noun]	17
23	national [noun] and television	17
24	national curriculum and [noun]	17
25	national [noun] and television	17
26	national insurance and [noun]	15
27	national insurance and [noun]	15
28	national radio and [noun]	14
29	national press and [noun]	14
30	national press and [noun]	14