SN4 ""

No	Pattern	Freq
1	[verb] to be [vb pp] at [det]	72
2	[noun] to be [vb pp] at [det]	40
3	be to be [vb pp] at [det]	36
4	[be] to be [vb pp] at [det]	36
5	have to be [vb pp] at [det]	29
6	[noun sg] to be [vb pp] at [det]	28
7	[vb infin] to be [vb pp] at [det]	24
8	[adv] to be [vb pp] at [det]	19
9	need to be [vb pp] at [det]	15
10	[is] to be [vb pp] at [det]	14
11	[vb -s] to be [vb pp] at [det]	14
12	is to be [vb pp] at [det]	14
13	[adj] to be [vb pp] at [det]	13
14	not to be [vb pp] at [det]	12
15	[not/n't] to be [vb pp] at [det]	12
16	not to be [vb pp] at [det]	12
17	[was/were] to be [vb pp] at [det]	12
18	[pron] to be [vb pp] at [det]	12
19	[adj] to be [vb pp] at [det]	11
20	have to be [vb pp] at [det]	11
21	[vb past] to be [vb pp] at [det]	11
22	are to be [vb pp] at [det]	10
23	[am/are] to be [vb pp] at [det]	10
24	[noun pl] to be [vb pp] at [det]	9
25	[vb base] to be [vb pp] at [det]	9
26	[indef pn] to be [vb pp] at [det]	8
27	needs to be [vb pp] at [det]	8
28	[v-ing] to be [vb pp] at [det]	7
29	had to be [vb pp] at [det]	7
30	[vb pp] to be [vb pp] at [det]	7