SN4 ""

No	Pattern	Freq
1	be in a [noun] [to-vb]	554
2	[be] in a [noun] [to-vb]	554
3	[noun] in a [noun] [to-vb]	420
4	[adv] in a [noun] [to-vb]	326
5	be in a [noun] [to-vb]	247
6	[be] in a [noun] [to-vb]	247
7	[noun sg] in a [noun] [to-vb]	244
8	[verb] in a [noun] [to-vb]	175
9	[adv] in a [noun] [to-vb]	172
10	not in a [noun] [to-vb]	126
11	[not/n't] in a [noun] [to-vb]	126
12	[noun pl] in a [noun] [to-vb]	125
13	not in a [noun] [to-vb]	111
14	[was/were] in a [noun] [to-vb]	105
15	[am/are] in a [noun] [to-vb]	92
16	[vb pp] in a [noun] [to-vb]	85
17	was in a [noun] [to-vb]	81
18	are in a [noun] [to-vb]	69
19	[is] in a [noun] [to-vb]	61
20	is in a [noun] [to-vb]	55
21	[adj] in a [noun] [to-vb]	54
22	now in a [noun] [to-vb]	43
23	now in a [noun] [to-vb]	43
24	[pron] in a [noun] [to-vb]	39
25	[noun prp] in a [noun] [to-vb]	35
26	[been] in a [noun] [to-vb]	31
27	been in a [noun] [to-vb]	31
28	[vb past] in a [noun] [to-vb]	30
29	[adv prt] in a [noun] [to-vb]	28
30	were in a [noun] [to-vb]	24