SN4 ""

No	Pattern	Freq
1	[noun] which have been [vb pp] for	32
2	[noun pl] which have been [vb pp] for	28
3	which have [adv] been [vb pp] for	6
4	which have been [adv] [vb pp] for	10
5	which have been [adv] [vb pp] for	10
6	which have been specially [vb pp] for	5
7	which have been specially [vb pp] for	5
8	which have been [vb pp] [adv prt] for	6
9	which have been [vb pp] [adv] for	6
10	which have been [vb pp] for [noun]	16
11	which have been [vb pp] for [art]	11
12	which have been [vb pp] for [art]	11
13	which have been [vb pp] for the	10
14	which have been [vb pp] for [noun sg]	10
15	which have been [vb pp] for the	10
16	which have been [vb pp] for [adj]	6