SN4 ""

No	Pattern	Freq
1	[pron] have been a long	147
2	[pers pn] have been a long	130
3	it have been a long	123
4	it have been a long	123
5	there have been a long	15
6	there have been a long	15
7	[ex0] have been a long	15
8	[vb mod] have been a long	11
9	[modal v] have been a long	11
10	[noun] have been a long	9
11	[adj] have been a long	8
12	[det] have been a long	7
13	would have been a long	6
14	would have been a long	6
15	[noun sg] have been a long	6
16	that have been a long	5
17	that have been a long	5
18	have [adv] been a long	5
19	have [adv] been a long	5
20	have been [adv] a long	45
21	have been [adv] a long	32
22	have been [verb] a long	31
23	have been [prep] a long	23
24	have been [prep] a long	23
25	have been for a long	17
26	have been [adj] a long	17
27	have been for a long	17
28	have been [vb pp] a long	17
29	have been [v-ing] a long	14
30	have been [adv prt] a long	13