SN4 ""

No	Pattern	Freq
1	[adj] [noun sg] it is that	14
2	[adj] [noun sg] it is that	12
3	[pron] [noun sg] it is that	10
4	[Wh det] [noun sg] it is that	10
5	[art] [noun sg] it is that	8
6	[art] [noun sg] it is that	8
7	a [noun sg] it is that	6
8	[prep] [noun sg] it is that	5
9	[prep] [noun sg] it is that	5
10	what [noun sg] it is that	5
11	a [noun sg] it is that	5
12	what [noun sg] it is that	5
13	[noun sg] [prep] it is that	59
14	[noun sg] [prep] it is that	59
15	[noun sg] of it is that	35
16	[noun sg] of it is that	35
17	[noun sg] about it is that	14
18	[noun sg] about it is that	14
19	[noun sg] what it is that	9
20	[noun sg] what it is that	9
21	[noun sg] [Wh det] it is that	9
22	[noun sg] [pron] it is that	9
23	[noun sg] it [verb] is that	7
24	[noun sg] it [vb -s] is that	6
25	[noun sg] it is [adj] that	325
26	[noun sg] it is [adj] that	325
27	[noun sg] it is [verb] that	139
28	[noun sg] it is [vb pp] that	131
29	[noun sg] it is clear that	72
30	[noun sg] it is clear that	72