SN4 ""

No	Pattern	Freq
1	[noun] [prep] [pron] is that	142
2	[noun sg] [prep] [pron] is that	131
3	[verb] [prep] [pron] is that	83
4	[adj] [prep] [pron] is that	38
5	[adj] [prep] [pron] is that	23
6	say [prep] [pron] is that	22
7	thing [prep] [pron] is that	22
8	thing [prep] [pron] is that	20
9	[vb infin] [prep] [pron] is that	18
10	[vb pp] [prep] [pron] is that	16
11	[vb base] [prep] [pron] is that	15
12	[v-ing] [prep] [pron] is that	11
13	[noun pl] [prep] [pron] is that	10
14	[vb -s] [prep] [pron] is that	10
15	[adv] [prep] [pron] is that	10
16	[to-vb] [prep] [pron] is that	9
17	difference [prep] [pron] is that	8
18	difference [prep] [pron] is that	8
19	say [prep] [pron] is that	8
20	important [prep] [pron] is that	7
21	point [prep] [pron] is that	7
22	important [prep] [pron] is that	7
23	[adv] [prep] [pron] is that	6
24	point [prep] [pron] is that	6
25	[num] [prep] [pron] is that	6
26	worst [prep] [pron] is that	5
27	effect [prep] [pron] is that	5
28	one [prep] [pron] is that	5
29	[adj -est] [prep] [pron] is that	5
30	one [prep] [pron] is that	5