| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be first proposed [prep] | 17 |
|
| 2 | be [num ord] proposed [prep] | 17 |
|
| 3 | was [num ord] proposed [prep] | 16 |
|
| 4 | be [num ord] proposed in | 8 |
|
| 5 | be [num ord] proposed in | 8 |
|
