| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | seem [prep] [be] [adj] | 362 |
|
| 2 | seem [prep] [be] [adj] | 218 |
|
| 3 | [verb] [prep] [be] necessary | 117 |
|
| 4 | [vb infin] [prep] [be] necessary | 18 |
|
| 5 | seem [prep] [be] necessary | 13 |
|
| 6 | seem [prep] [be] necessary | 9 |
|
| 7 | seem [prep] [be] necessary | 9 |
|
