SN4 ""

No	Pattern	Freq
1	[noun] have been go on for	34
2	[pron] have been go on for	32
3	[pers pn] have been go on for	21
4	[noun sg] have been go on for	20
5	it have been go on for	18
6	it have been go on for	18
7	[Wh det] have been go on for	11
8	which have been go on for	10
9	which have been go on for	10
10	[det] have been go on for	10
11	[adj] have been go on for	10
12	[noun pl] have been go on for	9
13	this have been go on for	7
14	[that] have been go on for	7
15	that have been go on for	7
16	this have been go on for	7
17	that have been go on for	7
18	[conj] have been go on for	7
19	[noun prp] have been go on for	5
20	have [adv] been go on for	5
21	have [adv] been go on for	5
22	have been go on [adv] for	6
23	have been go on [adv] for	5
24	have been go on for [adj]	32
25	have been go on for [noun]	24
26	have been go on for [noun pl]	24
27	have been go on for [det]	18
28	have been go on for [adv]	17
29	have been go on for [adv]	17
30	have been go on for [num]	14