| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [prep] [det] [noun pl] | 30 |
|
| 2 | has [been] for [det] [noun pl] | 20 |
|
| 3 | has [been] [prep] [det] years | 17 |
|
| 4 | has [been] [prep] many [noun pl] | 14 |
|
| 5 | has [been] [prep] several [noun pl] | 7 |
|
| 6 | has [been] [prep] some [noun pl] | 5 |
|
