SN4 ""

No	Pattern	Freq
31	which have been closed [adv] [prep]	5
32	which have been close [adv] [prep]	5
33	which have been [adv] [verb] [prep]	230
34	which have been [adv] [vb pp] [prep]	220
35	which have been [adv] [adj] [prep]	77
36	which have been [adv] [adj] [prep]	74
37	which have been [adv] [v-ing] [prep]	10
38	which have been [adv] important [prep]	9
39	which have been [adv] important [prep]	9
40	which have been [adv] developed [prep]	7
41	which have been [adv] develop [prep]	7
42	which have been [adv] successful [prep]	6
43	which have been [adv] successful [prep]	6
44	which have been [adv] influential [prep]	6
45	which have been [adv] influential [prep]	6
46	which have been [adv] used [prep]	5
47	which have been [adv] use [prep]	5
48	which have been [adv] [prep] [art]	9
49	which have been [adv] [prep] [adj]	9
50	which have been [adv] [prep] [art]	9
51	which have been [adv] [prep] [noun]	8
52	which have been [adv] [prep] [noun sg]	7
53	which have been [adv] [prep] the	7
54	which have been [adv] [prep] the	7
55	which have been [adv] [prep] [det]	5