| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] to [be] | 474 |
|
| 2 | which [vb past] to be | 474 |
|
| 3 | which had to [be] | 177 |
|
| 4 | which seemed to [be] | 79 |
|
| 5 | which proved to [be] | 50 |
|
| 6 | which appeared to [be] | 37 |
|
| 7 | which needed to [be] | 28 |
|
| 8 | which came to [be] | 27 |
|
| 9 | which happened to [be] | 17 |
|
| 10 | which tended to [be] | 12 |
|
| 11 | which continued to [be] | 11 |
|
