| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [n mass] billion [prep] [art] next | 6 |
|
| 2 | [prep] [n mass] billion [prep] [art] next | 6 |
|
| 3 | [n mass] billion [prep] [art] next [adj] | 16 |
|
| 4 | [n mass] billion [prep] [art] next [num] | 15 |
|
