SN4 ""

No	Pattern	Freq
1	[noun] unless it is	104
2	[noun sg] unless it is	84
3	[verb] unless it is	34
4	[adj] unless it is	28
5	[adj] unless it is	23
6	[vb pp] unless it is	19
7	[noun pl] unless it is	16
8	[conj] unless it is	12
9	[coord] unless it is	7
10	[vb infin] unless it is	6
11	[pron] unless it is	6
12	[adv] unless it is	5
13	[to-vb] unless it is	5
14	[adv] unless it is	5
15	[pers pn] unless it is	5
16	unless it is [verb]	124
17	unless it is [vb pp]	119
18	unless it is [adj]	54
19	unless it is [adj]	49
20	unless it is [adv]	48
21	unless it is [adv]	47
22	unless it is [art]	28
23	unless it is [art]	28
24	unless it is [prep]	27
25	unless it is [prep]	27
26	unless it is a	25
27	unless it is a	22
28	unless it is in	10
29	unless it is in	10
30	unless it is [pron]	8