| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [vb pp] to be [v-ing] | 75 |
|
| 2 | can be [vb pp] to be [v-ing] | 25 |
|
| 3 | [vb mod] be said to be [v-ing] | 25 |
|
| 4 | [vb mod] be seen to be [v-ing] | 19 |
|
| 5 | could be [vb pp] to be [v-ing] | 14 |
|
| 6 | may be [vb pp] to be [v-ing] | 11 |
|
| 7 | [vb mod] be [vb pp] to be doing | 6 |
|
| 8 | [vb mod] be assumed to be [v-ing] | 5 |
|
| 9 | must be [vb pp] to be [v-ing] | 5 |
|
| 10 | might be [vb pp] to be [v-ing] | 5 |
|
| 11 | [vb mod] be considered to be [v-ing] | 5 |
|
| 12 | will be [vb pp] to be [v-ing] | 5 |
|
