SN4 ""

No	Pattern	Freq
1	[verb] to have been cause [prep]	25
2	[vb pp] to have been cause [prep]	17
3	[adj] to have been cause [prep]	8
4	[adj] to have been cause [prep]	8
5	think to have been cause [prep]	7
6	thought to have been cause [prep]	7
7	[vb past] to have been cause [prep]	7
8	believe to have been cause [prep]	6
9	to have been cause [prep] [art]	19
10	to have been cause [prep] [art]	19
11	to have been cause [prep] a	13
12	to have been cause [prep] a	9
13	to have been cause [prep] [noun]	6
14	to have been cause [prep] the	6
15	to have been cause [prep] the	6
16	to have been cause [prep] [noun sg]	5
17	to have been cause [prep] [adj]	5
18	to have been cause [prep] [adj]	5