Odpowiedź:
1.all three forms are the same
- cost-cost-cost
- put-put-put
- set-set set
2.the Past simple and past participle forms are the same
- think-thought-thought
- go-went-gone
- buy-bought-bought
- swim-swam-swum
- come-came-come
- leave-left-left
- take-took-taken
Wyjaśnienie:
