SN4 ""

No	Pattern	Freq
31	[been] use [pron] for	9
32	[been] use [pers pn] for	9
33	[been] use [noun sg] for	7
34	[been] use it for	6
35	[been] use heroin for	6
36	[been] use it for	6
37	[been] use heroin for	6
38	[been] use [verb] for	5
39	[been] use [to-vb] for	5
40	[been] use [noun pl] for	5
41	[been] use for [adj]	83
42	[been] use for [noun]	81
43	[been] use for [art]	50
44	[been] use for [art]	50
45	[been] use for [noun sg]	49
46	[been] use for [det]	37
47	[been] use for [adj]	34
48	[been] use for the	29
49	[been] use for the	29
50	[been] use for [noun pl]	28
51	[been] use for a	21
52	[been] use for a	18
53	[been] use for [v-ing]	16
54	[been] use for [verb]	16
55	[been] use for many	14
56	[been] use for many	14
57	[been] use for [num]	12
58	[been] use for [adv]	10
59	[been] use for [adv]	9
60	[been] use for year	9