SN4 "role"

No	Pattern	Freq
31	play a [adv] [adj] role in	107
32	[prep] the [adj] role played by	21
33	play an [adj] role in	287
34	play a major role in [v-ing]	58
35	the [adj] role played by	49
36	[verb] an active role in	67
37	role to play in	209
38	have played an important role in	29
39	play a leading role	78
40	have a role to play	83
41	[noun] play [adj] roles in the	7
42	a [adj] role to play in [v-ing]	48
43	the key role played by	7
44	play [art] [adv] important role in	35
45	play a [adv] important role in	34
46	[noun prp] [noun prp] in the leading role	5
47	play a role in	133
48	take on the role of	69
49	the role played by	87
50	play a [adv] [adj] role in	80
51	have an important role to play	56
52	take [adv prt] the role of	87
53	[noun prp] [noun prp] in the title role	16
54	[vb mod] [vb infin] a key role in	20
55	[adj] role in the development of	44
56	have played a key role in	20
57	[verb] an important role in [v-ing]	88
58	play a leading role in	58
59	[vb mod] play a key role in	15
60	have played a major role in	24