| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [adv] been [prep] [noun] for | 16 |
|
| 2 | [verb] [adv] been [prep] existence for | 8 |
|
| 3 | have [adv] been [prep] existence for | 8 |
|
| 4 | has [adv] be [prep] existence for | 6 |
|
| 5 | has [adv] [be] [prep] existence for | 6 |
|
| 6 | has [adv] been [prep] existence for | 6 |
|
| 7 | [vb -s] [adv] been [prep] existence for | 6 |
|
| 8 | has [adv] been [prep] existence [prep] | 6 |
|
| 9 | has [adv] [been] [prep] existence for | 6 |
|
