SN4 ""

No	Pattern	Freq
1	[adj] is that	756
2	[det] is that	731
3	this is that	440
4	this is that	440
5	[num ord] is that	304
6	first is that	206
7	first is that	206
8	that is that	175
9	that is that	175
10	[num] is that	123
11	clear is that	92
12	clear is that	91
13	certain is that	81
14	certain is that	81
15	second is that	78
16	second is that	78
17	important is that	69
18	important is that	69
19	these is that	35
20	these is that	35
21	interesting is that	33
22	interesting is that	33
23	all is that	32
24	all is that	32
25	common is that	30
26	common is that	30
27	another is that	28
28	another is that	28
29	[adj -er] is that	20
30	remarkable is that	17