| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] strengthened by the fact | 8 |
|
| 2 | be strengthened by the fact | 8 |
|
| 3 | strengthened by the fact that | 13 |
|
| 4 | strengthened by the fact [that] | 13 |
|
| 5 | strengthened by the fact that | 13 |
|
| 6 | strengthened by the fact [conj] | 13 |
|
