SN4 ""

No	Pattern	Freq
1	are often [vb pp] [prep]	773
2	[am/are] often [vb pp] in	151
3	[am/are] often [vb pp] by	144
4	[am/are] often [vb pp] to	101
5	[am/are] often [vb pp] with	89
6	[am/are] often [vb pp] as	64
7	[am/are] often used [prep]	57
8	[am/are] often [vb pp] for	49
9	[am/are] often [vb pp] on	40
10	[am/are] often found [prep]	39
11	[am/are] often [vb pp] of	30
12	[am/are] often referred [prep]	30
13	[am/are] often made [prep]	26
14	[am/are] often [vb pp] from	21
15	[am/are] often [vb pp] into	20
16	[am/are] often associated [prep]	20
17	[am/are] often [vb pp] at	16
18	[am/are] often thought [prep]	14
19	[am/are] often seen [prep]	14
20	[am/are] often based [prep]	12
21	[am/are] often treated [prep]	12
22	're often [vb pp] [prep]	10
23	[am/are] often sold [prep]	10
24	[am/are] often considered [prep]	10
25	[am/are] often [vb pp] without	9
26	[am/are] often left [prep]	9
27	[am/are] often described [prep]	8
28	[am/are] often included [prep]	7
29	[am/are] often [vb pp] through	7
30	[am/are] often covered [prep]	6