SN4 ""

No	Pattern	Freq
1	[noun sg] has been [adj]	1423
2	[noun sg] had been [adj]	1251
3	[noun sg] have been [adj]	303
4	[noun sg] have been able	152
5	[noun sg] have been unable	68
6	[noun sg] have been successful	67
7	[noun sg] have been involved	66
8	government have been [adj]	62
9	[noun sg] have been concerned	57
10	[noun sg] have been available	48
11	[noun sg] have been right	46
12	[noun sg] have been due	43
13	[noun sg] have been responsible	42
14	[noun sg] 's been [adj]	38
15	[noun sg] have been slow	38
16	[noun sg] have been good	37
17	mother have been [adj]	30
18	father have been [adj]	29
19	[noun sg] to have been [adj]	29
20	life have been [adj]	27
21	[noun sg] have been subject	27
22	[noun sg] have been difficult	25
23	response have been [adj]	24
24	[noun sg] have been full	23
25	work have been [adj]	22
26	[noun sg] have been high	22
27	[noun sg] have been different	21
28	[noun sg] have been open	20
29	family have been [adj]	20
30	[noun sg] have been satisfied	20