SN4 ""

No	Pattern	Freq
31	is [adv] shown to [be]	16
32	is [adv] understood to [be]	15
33	is sometimes [vb pp] to [be]	13
34	is sometimes [vb pp] to [be]	13
35	is [adv] found to [be]	13
36	is thus [vb pp] to [be]	12
37	is still [vb pp] to [be]	12
38	is still [vb pp] to [be]	12
39	is n't [vb pp] to [be]	12
40	is thus [vb pp] to [be]	12
41	is [adv] felt to [be]	11
42	is [adv] reported to [be]	11
43	is then [vb pp] to [be]	10
44	is then [vb pp] to [be]	10
45	is [adv] acknowledged to [be]	9
46	is [adv] claimed to [be]	9
47	is clearly [vb pp] to [be]	8
48	is therefore [vb pp] to [be]	8
49	is [adv] bound to [be]	8
50	is therefore [vb pp] to [be]	8
51	is clearly [vb pp] to [be]	8
52	is commonly [vb pp] to [be]	7
53	is commonly [vb pp] to [be]	7
54	is [adv] reckoned to [be]	7
55	is normally [vb pp] to [be]	7
56	is normally [vb pp] to [be]	7
57	is [adv] perceived to [be]	6
58	is [adv] estimated to [be]	5
59	is [adv] required to [be]	5
60	is only [vb pp] to [be]	5