| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] to be [adv] [adj] | 79 |
|
| 2 | been [verb] to be [adv] [adj] | 79 |
|
| 3 | been [verb] to be [adv] [adj] | 78 |
|
| 4 | been show to be [adv] [adj] | 32 |
|
| 5 | been shown to be [adv] [adj] | 32 |
|
| 6 | been find to be [adv] [adj] | 19 |
|
| 7 | been found to be [adv] [adj] | 19 |
|
| 8 | been [verb] to be more [adj] | 14 |
|
| 9 | been [verb] to be more [adj] | 14 |
|
| 10 | been [verb] to be [adv] effective | 12 |
|
| 11 | been [verb] to be as [adj] | 7 |
|
| 12 | been [verb] to be as [adj] | 7 |
|
| 13 | been [verb] to be very [adj] | 5 |
|
| 14 | been [verb] to be very [adj] | 5 |
|
