SN4 "role"

No	Pattern	Freq
1	play a key role in	119
2	have a [adj] role to play in	127
3	have [art] [adj] role to play in	127
4	have played [art] [adj] role in	147
5	have played a [adj] role in	139
6	have a [adj] role to play in	80
7	play a vital role in	84
8	have played a [adj] role in	107
9	play a major role in	134
10	play a crucial role in	76
11	[vb mod] play a [adj] role in	77
12	play an important role in	218
13	[vb mod] play a [adj] role in	105
14	[verb] a central role in	80
15	[verb] a leading role in	79
16	play a [adj] role in	1082
17	play a [adj] role in	795
18	have an important role to play in	40
19	[verb] a vital role	147
20	the [adj] role played by the	27
21	have a [adj] role to play	198
22	play a significant role in	65
23	play a central role in	59
24	[adj] role played by the [noun]	22
25	an important role in the [noun sg]	69
26	[verb] a leading role	108
27	play [art] leading role	102
28	play [art] leading role in	75
29	[verb] a crucial role	113
30	have a [adj] role to play	131