SN4 ""

No	Pattern	Freq
1	be often [verb] to	326
2	[be] often [vb pp] to	323
3	[is] often [verb] to	174
4	is often [verb] to	171
5	[am/are] often [verb] to	102
6	are often [verb] to	101
7	[be] often referred to	91
8	[be] often refer to	91
9	[was/were] often [verb] to	49
10	was often [verb] to	28
11	were often [verb] to	21
12	[be] often considered to	15
13	[be] often consider to	15
14	[be] often said to	14
15	[be] often say to	14
16	[be] often attribute to	11
17	[be] often related to	11
18	[be] often attributed to	11
19	[be] often relate to	11
20	[be] often see to	10
21	[be] often seen to	10
22	[be] often think to	9
23	[be] often thought to	9
24	[be] often give to	8
25	[be] often given to	8
26	[be] often link to	7
27	[be] often linked to	7
28	[be] often apply to	6
29	[be] often applied to	6
30	[be] often take to	5