SN4 ""

No	Pattern	Freq
1	[verb] been attempts	35
2	have been attempts	35
3	[vb base] been attempts	30
4	have been attempts	30
5	[adv] been attempts	6
6	[adv] been attempts	5
7	been [adj] attempts	41
8	been [det] attempts	23
9	been [adj] attempts	15
10	been several attempts	8
11	been several attempts	8
12	been many attempts	7
13	been many attempts	7
14	been few attempts	5
15	been few attempts	5
16	been attempts [verb]	28
17	been attempts [to-vb]	28
18	been attempts [prep]	12
19	been attempts [prep]	12
20	been attempts by	5
21	been attempts by	5