SN4 ""

No	Pattern	Freq
1	has already been	1242
2	has always been	1214
3	has also been	1159
4	has never been	794
5	has now been	757
6	has long been	449
7	has recently been	419
8	has often been	293
9	has just been	269
10	has ever been	189
11	has since been	189
12	has only been	160
13	has yet been	136
14	has sometimes been	121
15	has previously been	115
16	has traditionally been	110
17	has certainly been	68
18	has actually been	67
19	has even been	64
20	has therefore been	62
21	has probably been	57
22	has generally been	56
23	has frequently been	51
24	has largely been	50
25	has usually been	47
26	has indeed been	46
27	has hitherto been	41
28	has subsequently been	38
29	has rarely been	38
30	has clearly been	31