SN4 ""

No	Pattern	Freq
1	[noun] [be] [to-vb] at [det]	14
2	[pron] [be] [to-vb] at [det]	12
3	[pers pn] [be] [to-vb] at [det]	11
4	[noun sg] [be] [to-vb] at [det]	9
5	it [be] [to-vb] at [det]	6
6	it [be] [to-vb] at [det]	6
7	[be] [adj] [to-vb] at [det]	130
8	[be] [adj] [to-vb] at [det]	123
9	[be] [verb] [to-vb] at [det]	59
10	[be] able [to-vb] at [det]	33
11	[be] able [to-vb] at [det]	33
12	[be] [vb pp] [to-vb] at [det]	31
13	[be] [v-ing] [to-vb] at [det]	27
14	[be] going [to-vb] at [det]	23
15	[be] go [to-vb] at [det]	23
16	[be] important [to-vb] at [det]	7
17	[be] important [to-vb] at [det]	7
18	[be] [adv] [to-vb] at [det]	6
19	[be] good [to-vb] at [det]	6
20	[be] difficult [to-vb] at [det]	6
21	[be] difficult [to-vb] at [det]	6
22	[be] likely [to-vb] at [det]	5
23	[be] willing [to-vb] at [det]	5
24	[be] unable [to-vb] at [det]	5
25	[be] likely [to-vb] at [det]	5
26	[be] willing [to-vb] at [det]	5
27	[be] [adj -er] [to-vb] at [det]	5
28	[be] unable [to-vb] at [det]	5
29	[be] [to-vb] [adv] at [det]	5
30	[be] [to-vb] at [det] [noun]	21