| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] for [det] [noun pl] | 57 |
|
| 2 | has [been] [vb pp] for [det] [noun pl] | 43 |
|
| 3 | has [been] [verb] for [det] years | 38 |
|
| 4 | has [been] [verb] for many [noun pl] | 32 |
|
| 5 | has [been] [v-ing] for [det] [noun pl] | 14 |
|
| 6 | has [been] [verb] for some [noun pl] | 12 |
|
| 7 | has [been] [verb] for several [noun pl] | 10 |
|
| 8 | has [been] used for [det] [noun pl] | 8 |
|
| 9 | has [been] use for [det] [noun pl] | 8 |
|
| 10 | has [been] known for [det] [noun pl] | 6 |
|
| 11 | has [been] know for [det] [noun pl] | 6 |
|
| 12 | has [been] running for [det] [noun pl] | 5 |
|
| 13 | has [been] run for [det] [noun pl] | 5 |
|
