SN4 ""

No	Pattern	Freq
1	[noun] [prep] [pron] is [det]	45
2	[noun sg] [prep] [pron] is [det]	42
3	[verb] [prep] [pron] is [det]	41
4	[adj] [prep] [pron] is [det]	21
5	[num] [prep] [pron] is [det]	8
6	one [prep] [pron] is [det]	8
7	one [prep] [pron] is [det]	8
8	say [prep] [pron] is [det]	7
9	[v-ing] [prep] [pron] is [det]	7
10	[vb base] [prep] [pron] is [det]	7
11	[vb past] [prep] [pron] is [det]	6
12	[vb infin] [prep] [pron] is [det]	6
13	[vb -s] [prep] [pron] is [det]	5
14	first [prep] [pron] is [det]	5
15	[num ord] [prep] [pron] is [det]	5
16	first [prep] [pron] is [det]	5
17	[adj] [prep] [pron] is [det]	5
18	[vb pp] [prep] [pron] is [det]	5
19	look [prep] [pron] is [det]	5
20	[to-vb] [prep] [pron] is [det]	5
21	[prep] [noun] [pron] is [det]	84
22	[prep] [pron] [pron] is [det]	62
23	[prep] [noun sg] [pron] is [det]	54
24	[prep] [Wh det] [pron] is [det]	52
25	[prep] which [pron] is [det]	38
26	[prep] which [pron] is [det]	38
27	[prep] [noun prp] [pron] is [det]	20
28	[prep] [adj] [pron] is [det]	17
29	[prep] course [pron] is [det]	12
30	[prep] course [pron] is [det]	12