SN4 ""

No	Pattern	Freq
1	be [vb pp] at the [det] [noun]	244
2	be [vb pp] at the [det] [noun sg]	239
3	be [vb pp] at the [det] time	190
4	be [vb pp] at the [det] time	190
5	be [vb pp] at the [det] level	8
6	be [vb pp] at the [det] level	8
7	be [vb pp] at the [det] [adj]	6
8	be [vb pp] at the [det] rate	6
9	be [vb pp] at the [det] rate	6
10	be [vb pp] at the [det] [adj]	5
11	[noun] be [vb pp] at the [det]	95
12	[noun sg] be [vb pp] at the [det]	52
13	[modal v] be [vb pp] at the [det]	49
14	[vb mod] be [vb pp] at the [det]	49
15	[noun pl] be [vb pp] at the [det]	35
16	[pron] be [vb pp] at the [det]	25
17	[prep] be [vb pp] at the [det]	18
18	[prep] be [vb pp] at the [det]	18
19	to be [vb pp] at the [det]	18
20	to be [vb pp] at the [det]	18
21	[pers pn] be [vb pp] at the [det]	16
22	have be [vb pp] at the [det]	15
23	[verb] be [vb pp] at the [det]	15
24	will be [vb pp] at the [det]	14
25	will be [vb pp] at the [det]	14
26	[adv] be [vb pp] at the [det]	14
27	can be [vb pp] at the [det]	13
28	can be [vb pp] at the [det]	13
29	[be] be [vb pp] at the [det]	12
30	be be [vb pp] at the [det]	12