SN4 ""

No	Pattern	Freq
1	have been if	90
2	[verb] been if	90
3	[vb infin] been if	83
4	have been if	83
5	been [adj] if	283
6	been [adj] if	194
7	been [verb] if	164
8	been [vb pp] if	143
9	been [adj -er] if	84
10	been better if	51
11	been good if	51
12	been different if	24
13	been different if	24
14	been [v-ing] if	20
15	been avoided if	18
16	been avoid if	18
17	been [adv] if	16
18	been nice if	13
19	been nice if	12
20	been possible if	11
21	been possible if	11
22	been surprised if	11
23	been surprised if	11
24	been [prep] if	10
25	been [prep] if	10
26	been [adv] if	10
27	been ask if	9
28	been [noun] if	9
29	been easier if	9
30	been easy if	9