SN4 ""

No	Pattern	Freq
1	[v-ing] [adv] been	131
2	[v-ing] [adv] been	130
3	[v-ing] [verb] been	77
4	[v-ing] have been	76
5	[v-ing] had been	36
6	[v-ing] [vb past] been	36
7	[v-ing] already been	26
8	[v-ing] already been	26
9	[v-ing] has been	24
10	[v-ing] [vb -s] been	24
11	[v-ing] previously been	23
12	[v-ing] previously been	23
13	[v-ing] just been	11
14	[v-ing] just been	11
15	[v-ing] [adj] been	10
16	[v-ing] [to-vb] been	9
17	[v-ing] to have been	8
18	[v-ing] once been	7
19	[v-ing] first been	7
20	[v-ing] [num ord] been	7
21	[v-ing] first been	7
22	[v-ing] once been	7
23	[v-ing] long been	6
24	[v-ing] long been	6
25	[v-ing] originally been	6
26	[v-ing] [vb base] been	6
27	[v-ing] originally been	6
28	[v-ing] have been	6
29	[v-ing] also been	5
30	[v-ing] also been	5