| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [prep] [noun] for | 450 |
|
| 2 | have [been] [prep] existence [prep] | 48 |
|
| 3 | [verb] [been] [prep] existence for | 36 |
|
| 4 | have [been] [prep] existence for | 36 |
|
| 5 | have [be] [prep] existence for | 36 |
|
