SN4 ""

No	Pattern	Freq
1	it [is] often [vb pp]	383
2	it is often [verb]	364
3	it [is] often say	67
4	it [is] often said	67
5	it [is] often assumed	27
6	it [is] often assume	27
7	it [is] often argue	22
8	it [is] often argued	22
9	it 's often [verb]	22
10	it [is] often use	17
11	it [is] often used	17
12	it [is] often called	16
13	it [is] often call	16
14	it [is] often claimed	13
15	it [is] often forgotten	13
16	it [is] often claim	13
17	it [is] often forget	13
18	it [is] often think	10
19	it [is] often suggested	10
20	it [is] often suggest	10
21	it [is] often thought	10
22	it [is] often seen	9
23	it [is] often found	9
24	it [is] often see	9
25	it [is] often find	9
26	it [is] often referred	7
27	it [is] often describe	7
28	it [is] often refer	7
29	it [is] often described	7
30	it [is] often pointed	6