SN4 ""

No	Pattern	Freq
1	[noun] is [that] the	3046
2	[noun sg] is [that] the	2718
3	[adj] is [that] the	515
4	[verb] is [that] the	451
5	[noun pl] is [that] the	247
6	[pron] is [that] the	244
7	[adj] is [that] the	199
8	[det] is [that] the	180
9	[adv] is [that] the	174
10	[adv] is [that] the	163
11	[pers pn] is [that] the	162
12	problem is [that] the	136
13	point is [that] the	133
14	problem is [that] the	132
15	point is [that] the	131
16	it is [that] the	126
17	it is [that] the	126
18	this is [that] the	124
19	this is [that] the	124
20	[vb pp] is [that] the	123
21	[num ord] is [that] the	94
22	[vb -s] is [that] the	85
23	result is [that] the	82
24	result is [that] the	80
25	view is [that] the	76
26	view is [that] the	76
27	here is [that] the	73
28	here is [that] the	73
29	[to-vb] is [that] the	73
30	fact is [that] the	73