| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] for [num] years | 103 |
|
| 2 | has been [v-ing] for [adj] years | 57 |
|
| 3 | had been [v-ing] for [adj] years | 44 |
|
| 4 | have been [v-ing] for [det] years | 36 |
|
| 5 | have been [v-ing] for [adj] years | 18 |
|
| 6 | have been running for [adj] years | 18 |
|
| 7 | have been [v-ing] for several years | 14 |
|
| 8 | have been [v-ing] for several years | 14 |
|
| 9 | have been [v-ing] for many years | 13 |
|
| 10 | have been [v-ing] for many years | 13 |
|
| 11 | 've been [v-ing] for [adj] years | 12 |
|
| 12 | have been [v-ing] for three years | 11 |
|
| 13 | have been [v-ing] for three years | 11 |
|
| 14 | have been [v-ing] for two years | 11 |
|
| 15 | have been [v-ing] for two years | 11 |
|
| 16 | have been going for [adj] years | 10 |
|
| 17 | have been [v-ing] for some years | 9 |
|
| 18 | have been [v-ing] for some years | 9 |
|
| 19 | have been trying for [adj] years | 8 |
|
| 20 | have been [v-ing] for twenty years | 8 |
|
| 21 | have been [v-ing] for twenty years | 8 |
|
| 22 | have been [v-ing] for ten years | 6 |
|
| 23 | have been working for [adj] years | 6 |
|
| 24 | have been flying for [adj] years | 6 |
|
| 25 | have been [v-ing] for five years | 6 |
|
| 26 | have been [v-ing] for ten years | 6 |
|
| 27 | have been [v-ing] for five years | 6 |
|
| 28 | have been living for [adj] years | 5 |
|
| 29 | have been [v-ing] for 20 years | 5 |
|
| 30 | have been [v-ing] for 20 years | 5 |
|
