SN4 ""

No	Pattern	Freq
1	[noun] on [art] [adj] basis	1075
2	[verb] on [art] [adj] basis	911
3	[vb pp] on [art] [adj] basis	614
4	[noun sg] on [art] [adj] basis	572
5	[noun pl] on [art] [adj] basis	423
6	[adv] on [art] [adj] basis	252
7	[adv] on [art] [adj] basis	175
8	[adj] on [art] [adj] basis	102
9	[pron] on [art] [adj] basis	96
10	[pers pn] on [art] [adj] basis	86
11	[to-vb] on [art] [adj] basis	80
12	[adv prt] on [art] [adj] basis	68
13	[be] on [art] [adj] basis	65
14	be on [art] [adj] basis	65
15	[v-ing] on [art] [adj] basis	59
16	[adj] on [art] [adj] basis	56
17	[conj] on [art] [adj] basis	54
18	[vb base] on [art] [adj] basis	52
19	[noun prp] on [art] [adj] basis	47
20	[vb infin] on [art] [adj] basis	46
21	it on [art] [adj] basis	39
22	it on [art] [adj] basis	39
23	operate on [art] [adj] basis	38
24	[coord] on [art] [adj] basis	33
25	out on [art] [adj] basis	32
26	[n mass] on [art] [adj] basis	32
27	out on [art] [adj] basis	32
28	be on [art] [adj] basis	31
29	[be] on [art] [adj] basis	31
30	[vb -s] on [art] [adj] basis	30