SN4 ""

No	Pattern	Freq
1	[noun] is that it	1711
2	[noun sg] is that it	1530
3	[adj] is that it	169
4	[verb] is that it	146
5	[noun pl] is that it	111
6	[pron] is that it	100
7	[noun prp] is that it	61
8	[pers pn] is that it	61
9	[det] is that it	58
10	[adj] is that it	55
11	it is that it	48
12	it is that it	48
13	answer is that it	44
14	answer is that it	44
15	[adv] is that it	44
16	[adv] is that it	41
17	approach is that it	40
18	approach is that it	40
19	problem is that it	36
20	[vb infin] is that it	34
21	problem is that it	34
22	point is that it	33
23	view is that it	31
24	this is that it	31
25	this is that it	31
26	view is that it	31
27	[vb pp] is that it	30
28	point is that it	30
29	[num ord] is that it	28
30	[num] is that it	27