| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [noun] has been [verb] | 904 |
|
| 2 | this [noun sg] has been [verb] | 880 |
|
| 3 | this problem has been [verb] | 23 |
|
| 4 | this problem has been [verb] | 23 |
|
| 5 | this approach has been [verb] | 20 |
|
| 6 | this [n mass] has been [verb] | 20 |
|
| 7 | this chapter has been [verb] | 20 |
|
| 8 | this chapter has been [verb] | 20 |
|
| 9 | this approach has been [verb] | 20 |
|
| 10 | this species has been [verb] | 19 |
|
| 11 | this species has been [verb] | 19 |
|
| 12 | this work has been [verb] | 16 |
|
| 13 | this work has been [verb] | 16 |
|
| 14 | this point has been [verb] | 14 |
|
| 15 | this technique has been [verb] | 14 |
|
| 16 | this point has been [verb] | 14 |
|
| 17 | this view has been [verb] | 14 |
|
| 18 | this view has been [verb] | 14 |
|
| 19 | this technique has been [verb] | 14 |
|
| 20 | this process has been [verb] | 13 |
|
| 21 | this process has been [verb] | 13 |
|
| 22 | this method has been [verb] | 12 |
|
| 23 | this method has been [verb] | 12 |
|
| 24 | this trend has been [verb] | 12 |
|
| 25 | this area has been [verb] | 12 |
|
| 26 | this area has been [verb] | 12 |
|
| 27 | this trend has been [verb] | 12 |
|
| 28 | this [pron] has been [verb] | 11 |
|
| 29 | this book has been [verb] | 11 |
|
| 30 | this year has been [verb] | 11 |
|
