SN4 ""

No	Pattern	Freq
1	been [verb] [adv] for [noun]	204
2	been [vb pp] [adv] for [noun]	112
3	been [v-ing] [adv] for [noun]	91
4	been go [adv] for [noun]	27
5	been going [adv] for [noun]	26
6	been put [adv] for [noun]	15
7	been put [adv] for [noun]	12
8	been [prep] [adv] for [noun]	10
9	been [prep] [adv] for [noun]	10
10	been set [adv] for [noun]	9
11	been set [adv] for [noun]	9
12	been work [adv] for [noun]	8
13	been [adj] [adv] for [noun]	8
14	been in [adv] for [noun]	8
15	been in [adv] for [noun]	8
16	been sent [adv] for [noun]	7
17	been [adj] [adv] for [noun]	7
18	been send [adv] for [noun]	7
19	been working [adv] for [noun]	7
20	been take [adv] for [noun]	6
21	been taken [adv] for [noun]	6
22	been use [adv] for [noun]	5
23	been do [adv] for [noun]	5
24	been designed [adv] for [noun]	5
25	been single [adv] for [noun]	5
26	been doing [adv] for [noun]	5
27	been design [adv] for [noun]	5
28	been singled [adv] for [noun]	5
29	been used [adv] for [noun]	5
30	have been [adv] for [noun]	76