| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have now [been] [prep] existence [prep] | 5 |
|
| 2 | [verb] now [been] [prep] existence [prep] | 5 |
|
| 3 | [vb -s] now [been] [prep] existence [prep] | 5 |
|
| 4 | has now [been] [prep] existence [prep] | 5 |
|
