SN4 ""

No	Pattern	Freq
1	have [been] responsible for	262
2	[verb] [been] responsible for	262
3	[vb past] [been] responsible for	99
4	had [been] responsible for	98
5	[vb -s] [been] responsible for	56
6	has [been] responsible for	56
7	[vb infin] [been] responsible for	48
8	have [been] responsible for	48
9	[vb base] [been] responsible for	38
10	have [been] responsible for	36
11	[adv] [been] responsible for	25
12	[adv] [been] responsible for	20
13	to have [been] responsible for	16
14	[to-vb] [been] responsible for	16
15	also [been] responsible for	9
16	also [been] responsible for	9
17	not [been] responsible for	5
18	[not/n't] [been] responsible for	5
19	not [been] responsible for	5
20	[v-ing] [been] responsible for	5
21	having [been] responsible for	5
22	[been] [adv] responsible for	39
23	[been] [adv] responsible for	39
24	[been] largely responsible for	10
25	[been] largely responsible for	10
26	[been] [vb pp] responsible for	8
27	[been] [verb] responsible for	8
28	[been] held responsible for	7
29	[been] hold responsible for	7
30	[been] partly responsible for	6