| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [prep] existence [prep] | 24 |
|
| 2 | has been [prep] existence [prep] | 24 |
|
| 3 | [vb -s] been [prep] existence [prep] | 24 |
|
| 4 | [vb -s] been in existence [prep] | 24 |
|
| 5 | [vb -s] been in existence [prep] | 24 |
|
| 6 | [vb -s] been [prep] existence [prep] | 24 |
|
| 7 | [vb -s] been [prep] existence for | 17 |
|
| 8 | [vb -s] been [prep] existence for | 17 |
|
