| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has always been a [noun sg] | 120 |
|
| 2 | has also been a [noun sg] | 48 |
|
| 3 | has long been a [noun sg] | 42 |
|
| 4 | has never been a [noun sg] | 39 |
|
| 5 | has [adv] been a feature | 16 |
|
| 6 | has [adv] been a problem | 15 |
|
| 7 | has [adv] been a source | 9 |
|
| 8 | has [adv] been a time | 8 |
|
| 9 | has often been a [noun sg] | 7 |
|
| 10 | has [adv] been a matter | 6 |
|
| 11 | has certainly been a [noun sg] | 6 |
|
| 12 | has [adv] been a change | 6 |
|
| 13 | has already been a [noun sg] | 5 |
|
| 14 | has [adv] been a part | 5 |
|
| 15 | has [adv] been a favourite | 5 |
|
