SN4 ""

No	Pattern	Freq
1	[be] [vb pp] [adv] at the	622
2	be [vb pp] [adv] at the	622
3	[was/were] [vb pp] [adv] at the	227
4	[verb] [vb pp] [adv] at the	196
5	have [vb pp] [adv] at the	181
6	be [vb pp] [adv] at the	168
7	[be] [vb pp] [adv] at the	168
8	was [vb pp] [adv] at the	157
9	[adv] [vb pp] [adv] at the	113
10	[vb past] [vb pp] [adv] at the	106
11	[adv] [vb pp] [adv] at the	104
12	had [vb pp] [adv] at the	91
13	[noun] [vb pp] [adv] at the	87
14	[is] [vb pp] [adv] at the	76
15	were [vb pp] [adv] at the	70
16	is [vb pp] [adv] at the	69
17	[been] [vb pp] [adv] at the	66
18	been [vb pp] [adv] at the	66
19	[noun sg] [vb pp] [adv] at the	55
20	[am/are] [vb pp] [adv] at the	47
21	are [vb pp] [adv] at the	40
22	[vb -s] [vb pp] [adv] at the	38
23	being [vb pp] [adv] at the	38
24	[being] [vb pp] [adv] at the	38
25	[noun pl] [vb pp] [adv] at the	32
26	has [vb pp] [adv] at the	27
27	[vb base] [vb pp] [adv] at the	23
28	[adj] [vb pp] [adv] at the	20
29	[conj] [vb pp] [adv] at the	19
30	[vb infin] [vb pp] [adv] at the	16