SN4 ""

No	Pattern	Freq
1	[be] often [vb pp] by the	102
2	be often [vb pp] by the	102
3	[is] often [vb pp] by the	44
4	is often [vb pp] by the	44
5	[was/were] often [vb pp] by the	35
6	are often [vb pp] by the	23
7	[am/are] often [vb pp] by the	23
8	[adv] often [vb pp] by the	21
9	were often [vb pp] by the	19
10	[adv] often [vb pp] by the	17
11	[noun] often [vb pp] by the	16
12	was often [vb pp] by the	16
13	[noun sg] often [vb pp] by the	12
14	so often [vb pp] by the	5
15	so often [vb pp] by the	5
16	often be [vb pp] by the	20
17	often [be] [vb pp] by the	20
18	often [adv] [vb pp] by the	16
19	often [adv] [vb pp] by the	16
20	often [been] [vb pp] by the	10
21	often been [vb pp] by the	10
22	often [be] [vb pp] by the	9
23	often be [vb pp] by the	9
24	often [vb pp] [adv] by the	16
25	often [vb pp] [adv prt] by the	9
26	often [vb pp] [adv] by the	7
27	often [vb pp] by [v-ing] the	5
28	often [vb pp] by [verb] the	5
29	often [vb pp] by the [noun]	122
30	often [vb pp] by the [noun sg]	88