| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [vb pp] to be | 674 |
|
| 2 | has proved to be | 161 |
|
| 3 | has got to be | 130 |
|
| 4 | has come to be | 113 |
|
| 5 | has had to be | 80 |
|
| 6 | has tended to be | 43 |
|
| 7 | has ceased to be | 31 |
|
| 8 | has continued to be | 28 |
|
| 9 | has appeared to be | 9 |
|
| 10 | has agreed to be | 8 |
|
| 11 | has begun to be | 5 |
|
| 12 | has proven to be | 5 |
|
| 13 | has grown to be | 5 |
|
