| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be due to [adj] | 289 |
|
| 2 | be due to [adj] | 83 |
|
| 3 | is due to [adj] | 71 |
|
| 4 | was due to [adj] | 51 |
|
| 5 | are due to [adj] | 37 |
|
| 6 | been due to [adj] | 19 |
|
| 7 | were due to [adj] | 15 |
|
| 8 | being due to [adj] | 11 |
|
| 9 | be due to poor | 9 |
|
| 10 | be due to inadequate | 7 |
|
| 11 | be due to other | 7 |
|
| 12 | be due to increased | 7 |
|
| 13 | be due to external | 6 |
|
| 14 | be due to internal | 6 |
|
| 15 | be due to natural | 5 |
|
| 16 | be due to good | 5 |
|
