| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] to be [adv] [adj] | 35 |
|
| 2 | have [vb pp] to be [adv] [adj] | 34 |
|
| 3 | have proved to be [adv] [adj] | 14 |
|
| 4 | have [vb pp] to be very [adj] | 7 |
|
| 5 | have [vb pp] to be very [adj] | 7 |
|
| 6 | have tended to be [adv] [adj] | 6 |
|
