SN4 ""

No	Pattern	Freq
1	is often [verb]	1903
2	[is] often [vb pp]	1895
3	[is] often use	162
4	[is] often used	162
5	[is] often said	90
6	[is] often say	90
7	[is] often call	80
8	[is] often called	80
9	[is] often see	63
10	[is] often seen	61
11	[is] often referred	50
12	[is] often refer	50
13	's often [verb]	40
14	[is] often assume	40
15	[is] often assumed	40
16	[is] often take	33
17	[is] often associated	33
18	[is] often associate	33
19	[is] often find	33
20	[is] often thought	32
21	[is] often found	32
22	[is] often think	32
23	[is] often taken	32
24	[is] often describe	31
25	[is] often make	31
26	[is] often described	31
27	[is] often made	31
28	[is] often overlooked	30
29	[is] often overlook	30
30	[is] often [v-ing]	26