| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [adv] [modal v] [prep] be a | 5 |
|
| 2 | [adj] [adv] [modal v] [prep] [be] a | 5 |
|
| 3 | [adj] [adv] used [prep] [be] a | 5 |
|
| 4 | [adj] [adv] [modal v] [prep] be a | 5 |
|
| 5 | [adj] [adv] [modal v] [prep] [be] a | 5 |
|
| 6 | [adj] [adv] [vb mod] [prep] [be] a | 5 |
|
| 7 | [adj] [adv] [modal v] to [be] a | 5 |
|
| 8 | [adj] [adv] used [prep] [be] a | 5 |
|
