| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] to be | 758 |
|
| 2 | [been] [vb pp] to be | 747 |
|
| 3 | [been] show to be | 222 |
|
| 4 | [been] shown to be | 222 |
|
| 5 | [been] found to be | 165 |
|
| 6 | [been] find to be | 165 |
|
| 7 | [been] held to be | 30 |
|
| 8 | [been] hold to be | 30 |
|
| 9 | [been] reported to be | 26 |
|
| 10 | [been] report to be | 26 |
|
| 11 | [been] consider to be | 21 |
|
| 12 | [been] considered to be | 21 |
|
| 13 | [been] prove to be | 20 |
|
| 14 | [been] designed to be | 17 |
|
| 15 | [been] design to be | 17 |
|
| 16 | [been] thought to be | 16 |
|
| 17 | [been] think to be | 16 |
|
| 18 | [been] proved to be | 15 |
|
| 19 | [been] expect to be | 14 |
|
| 20 | [been] assumed to be | 13 |
|
| 21 | [been] said to be | 13 |
|
| 22 | [been] say to be | 13 |
|
| 23 | [been] expected to be | 13 |
|
| 24 | [been] assume to be | 13 |
|
| 25 | [been] known to be | 12 |
|
| 26 | [been] know to be | 12 |
|
| 27 | [been] seen to be | 10 |
|
| 28 | [been] see to be | 10 |
|
| 29 | [been] [v-ing] to be | 10 |
|
| 30 | [been] estimate to be | 6 |
|
