SN4 ""

No	Pattern	Freq
1	[noun] [was/were] that	4207
2	[noun sg] [was/were] that	3524
3	[pron] [was/were] that	784
4	[pers pn] [was/were] that	656
5	[verb] [was/were] that	635
6	it [was/were] that	481
7	it [was/were] that	481
8	[noun pl] [was/were] that	454
9	[adj] [was/were] that	388
10	[vb past] [was/were] that	326
11	[noun prp] [was/were] that	214
12	result [was/were] that	166
13	[adv] [was/were] that	164
14	[det] [was/were] that	162
15	result [was/were] that	159
16	problem [was/were] that	145
17	problem [was/were] that	138
18	[adv] [was/were] that	133
19	thing [was/were] that	120
20	thing [was/were] that	116
21	[vb infin] [was/were] that	111
22	[adj] [was/were] that	105
23	view [was/were] that	100
24	view [was/were] that	98
25	[vb pp] [was/were] that	97
26	know [was/were] that	88
27	this [was/were] that	86
28	this [was/were] that	86
29	idea [was/were] that	79
30	idea [was/were] that	77