SN4 ""

No	Pattern	Freq
1	[pron] [was/were] that [adv]	19
2	what [was/were] that [adv]	14
3	[Wh det] [was/were] that [adv]	14
4	what [was/were] that [adv]	14
5	[adv] [was/were] that [adv]	12
6	[noun] [was/were] that [adv]	12
7	[noun sg] [was/were] that [adv]	10
8	[Wh adv] [was/were] that [adv]	8
9	[adj] [was/were] that [adv]	8
10	[det] [was/were] that [adv]	6
11	[was/were] [verb] that [adv]	20
12	[was/were] [prep] that [adv]	19
13	[was/were] [prep] that [adv]	19
14	[was/were] [adv] that [adv]	16
15	[was/were] [v-ing] that [adv]	16
16	[was/were] like that [adv]	12
17	[was/were] like that [adv]	12
18	[was/were] [not/n't] that [adv]	10
19	[was/were] not that [adv]	10
20	[was/were] n't that [adv]	9
21	[was/were] doing that [adv]	8
22	[was/were] do that [adv]	8
23	[was/were] [adv] that [adv]	6
24	[was/were] [adj] that [adv]	5
25	[was/were] that [noun] [adv]	31
26	[was/were] that [noun sg] [adv]	30
27	[was/were] that [be] [adv]	14
28	[was/were] that [adv] [adv]	14
29	[was/were] that be [adv]	14
30	[was/were] that was [adv]	12