SN4 ""

No	Pattern	Freq
1	[conj] [pers pn] [was/were] for	193
2	[conj] [pron] was for	174
3	[conj] it [was/were] for	144
4	[conj] it [was/were] for	144
5	[subord] [pron] [was/were] for	112
6	as [pron] [was/were] for	55
7	as [pron] [was/were] for	55
8	[coord] [pron] [was/were] for	54
9	[that] [pron] [was/were] for	41
10	that [pron] [was/were] for	41
11	that [pron] [was/were] for	41
12	and [pron] [was/were] for	37
13	and [pron] [was/were] for	37
14	[conj] [pron] were for	33
15	[conj] they [was/were] for	24
16	[conj] they [was/were] for	24
17	but [pron] [was/were] for	16
18	but [pron] [was/were] for	16
19	than [pron] [was/were] for	12
20	than [pron] [was/were] for	12
21	whether [pron] [was/were] for	11
22	whether [pron] [was/were] for	11
23	[conj] he [was/were] for	10
24	[conj] he [was/were] for	10
25	if [pron] [was/were] for	9
26	[conj] [indef pn] [was/were] for	9
27	if [pron] [was/were] for	9
28	[conj] i [was/were] for	7
29	[conj] i [was/were] for	7
30	[conj] she [was/were] for	6