| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for two years | 778 |
|
| 2 | after two years | 213 |
|
| 3 | within two years | 203 |
|
| 4 | in two years | 191 |
|
| 5 | of two years | 180 |
|
| 6 | to two years | 170 |
|
| 7 | by two years | 31 |
|
| 8 | until two years | 21 |
|
| 9 | at two years | 16 |
|
| 10 | from two years | 15 |
|
| 11 | with two years | 12 |
|
| 12 | over two years | 8 |
|
| 13 | on two years | 7 |
|
| 14 | like two years | 7 |
|
| 15 | about two years | 5 |
|
| 16 | past two years | 5 |
|
