SN4 ""

No	Pattern	Freq
1	[pron] [is] that the [noun]	179
2	[pron] is that the [noun]	173
3	[pron] [is] that the [noun sg]	132
4	[pers pn] [is] that the [noun]	121
5	it [is] that the [noun]	95
6	it [is] that the [noun]	95
7	[pron] [is] that the [noun pl]	39
8	[indef pn] [is] that the [noun]	30
9	one [is] that the [noun]	30
10	one [is] that the [noun]	30
11	which [is] that the [noun]	27
12	[Wh det] [is] that the [noun]	27
13	which [is] that the [noun]	27
14	us [is] that the [noun]	7
15	[pron] [is] that the [noun prp]	7
16	we [is] that the [noun]	7
17	[pron] 's that the [noun]	6
18	they [is] that the [noun]	5
19	them [is] that the [noun]	5