SN4 ""

No	Pattern	Freq
1	[noun] is so [adj] [that]	456
2	[noun sg] is so [adj] [that]	388
3	[pron] is so [adj] [that]	82
4	[pers pn] is so [adj] [that]	62
5	it is so [adj] [that]	55
6	it is so [adj] [that]	55
7	[noun pl] is so [adj] [that]	40
8	[noun prp] is so [adj] [that]	23
9	[adj] is so [adj] [that]	23
10	[det] is so [adj] [that]	15
11	[verb] is so [adj] [that]	14
12	[conj] is so [adj] [that]	13
13	this is so [adj] [that]	11
14	this is so [adj] [that]	11
15	which is so [adj] [that]	10
16	[Wh det] is so [adj] [that]	10
17	which is so [adj] [that]	10
18	situation is so [adj] [that]	7
19	situation is so [adj] [that]	7
20	[vb pp] is so [adj] [that]	7
21	[coord] is so [adj] [that]	7
22	[adj] is so [adj] [that]	6
23	[that] is so [adj] [that]	6
24	that is so [adj] [that]	6
25	that is so [adj] [that]	6
26	[adv] is so [adj] [that]	5
27	system is so [adj] [that]	5
28	[indef pn] is so [adj] [that]	5
29	system is so [adj] [that]	5
30	is [adv] so [adj] [that]	74