| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [adv] [verb] | 626 |
|
| 2 | could be [adv] [verb] | 625 |
|
| 3 | could be [adv] [vb pp] | 589 |
|
| 4 | could be easily [verb] | 50 |
|
| 5 | could be better [verb] | 46 |
|
| 6 | could be further [verb] | 21 |
|
| 7 | could be successfully [verb] | 20 |
|
| 8 | could be [adv] [v-ing] | 19 |
|
| 9 | could be [adv] reduce | 18 |
|
| 10 | could be [adv] reduced | 18 |
|
| 11 | could be [adv] used | 15 |
|
| 12 | could be clearly [verb] | 15 |
|
| 13 | could be [adv] use | 15 |
|
| 14 | could be properly [verb] | 14 |
|
| 15 | could be [adv] spent | 14 |
|
| 16 | could be [adv] spend | 14 |
|
| 17 | could be [adv] affect | 14 |
|
| 18 | could be [adv] affected | 14 |
|
| 19 | could be [adv] identify | 13 |
|
| 20 | could be usefully [verb] | 12 |
|
| 21 | could be [adv] identified | 12 |
|
| 22 | could be [adv] see | 11 |
|
| 23 | could be seriously [verb] | 10 |
|
| 24 | could be so [verb] | 10 |
|
| 25 | could be [adv] seen | 10 |
|
| 26 | could be accurately [verb] | 10 |
|
| 27 | could be severely [verb] | 10 |
|
| 28 | could be safely [verb] | 10 |
|
| 29 | could be fully [verb] | 10 |
|
| 30 | could be [adv] [vb base] | 9 |
|
