SN4 ""

No	Pattern	Freq
1	[pron] [was/were] that [pron]	61
2	[pers pn] [was/were] that [pron]	28
3	it [was/were] that [pron]	24
4	it [was/were] that [pron]	24
5	[Wh det] [was/were] that [pron]	23
6	what [was/were] that [pron]	20
7	what [was/were] that [pron]	20
8	[noun] [was/were] that [pron]	20
9	[noun sg] [was/were] that [pron]	13
10	[verb] [was/were] that [pron]	10
11	[conj] [was/were] that [pron]	8
12	[coord] [was/were] that [pron]	8
13	[adv] [was/were] that [pron]	7
14	there [was/were] that [pron]	6
15	[ex0] [was/were] that [pron]	6
16	there [was/were] that [pron]	6
17	[adv] [was/were] that [pron]	5
18	[noun pl] [was/were] that [pron]	5
19	[vb past] [was/were] that [pron]	5
20	[was/were] [adv] that [pron]	34
21	[was/were] [verb] that [pron]	30
22	[was/were] not that [pron]	26
23	[was/were] [not/n't] that [pron]	26
24	[was/were] n't that [pron]	23
25	[was/were] [v-ing] that [pron]	17
26	[was/were] [prep] that [pron]	13
27	[was/were] [prep] that [pron]	13
28	[was/were] [vb pp] that [pron]	10
29	[was/were] [adv] that [pron]	8
30	[was/were] [conj] that [pron]	6