| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [prep] a [noun] | 1719 |
|
| 2 | embark [prep] a [noun] | 294 |
|
| 3 | [prep] embark [prep] a | 48 |
|
| 4 | [prep] embark [prep] [noun] | 12 |
|
