SN4 ""

No	Pattern	Freq
1	[noun] [vb past] [adv] to be	583
2	[pron] [vb past] [adv] to be	566
3	[pers pn] [vb past] [adv] to be	353
4	[noun sg] [vb past] [adv] to be	348
5	it [vb past] [adv] to be	173
6	it [vb past] [adv] to be	173
7	[noun pl] [vb past] [adv] to be	129
8	[Wh det] [vb past] [adv] to be	126
9	[noun prp] [vb past] [adv] to be	102
10	[conj] [vb past] [adv] to be	91
11	[adj] [vb past] [adv] to be	85
12	which [vb past] [adv] to be	78
13	which [vb past] [adv] to be	78
14	[Wh pn] [vb past] [adv] to be	66
15	who [vb past] [adv] to be	64
16	who [vb past] [adv] to be	64
17	[det] [vb past] [adv] to be	63
18	he [vb past] [adv] to be	61
19	he [vb past] [adv] to be	60
20	[coord] [vb past] [adv] to be	54
21	[adv] [vb past] [adv] to be	50
22	what [vb past] [adv] to be	48
23	what [vb past] [adv] to be	48
24	[adv] [vb past] [adv] to be	48
25	this [vb past] [adv] to be	45
26	this [vb past] [adv] to be	45
27	that [vb past] [adv] to be	37
28	that [vb past] [adv] to be	37
29	[that] [vb past] [adv] to be	37
30	and [vb past] [adv] to be	37