| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [be] [adv] [be] | 15 |
|
| 2 | to [be] [adv] [is] | 11 |
|
| 3 | [prep] [be] [adv] [is] | 11 |
|
| 4 | [prep] [be] [adv] [is] | 10 |
|
| 5 | to [be] [adv] [is] | 7 |
|
