| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | course [is] of three [noun pl] ' | 24 |
|
| 2 | course [is] [prep] three years ' | 24 |
|
| 3 | course [is] of three [noun pl] ' | 24 |
|
| 4 | course is [prep] three [noun pl] ' | 24 |
|
| 5 | course [is] [prep] three [noun pl] ' | 24 |
|
