SN4 ""

No	Pattern	Freq
1	[noun] have a role to play in	28
2	[noun sg] have a role to play in	12
3	[noun pl] have a role to play in	12
4	[adv] have a role to play in	6
5	[adv] have a role to play in	6
6	have a [adj] role to play in	128
7	have a [adj] role to play in	127
8	have a important role to play in	40
9	have a important role to play in	40
10	have a vital role to play in	18
11	have a vital role to play in	18
12	have a major role to play in	13
13	have a major role to play in	13
14	have a key role to play in	12
15	have a key role to play in	12
16	have a crucial role to play in	10
17	have a crucial role to play in	10
18	have a useful role to play in	5
19	have a useful role to play in	5
20	have a role to play in [verb]	21
21	have a role to play in [v-ing]	21
22	have a role to play in [adj]	11
23	have a role to play in [art]	7
24	have a role to play in [art]	7
25	have a role to play in the	7
26	have a role to play in the	7
27	have a role to play in [det]	6
28	have a role to play in [adj]	5