The simple past of "close"? closed close closing. The simple past of " teach " ? teach taught teaching teached. The simple past of " buy" ? buying bought buy buyed. The simple past of " put" ? put puting puted putet. The simple past of " cut" ? cuting cut cuted will cut. The simple past of " fly" ? flying flew flown fly. The simple past of " leave " ? leave left leaved leaft. The simple past of " know" ? knew know known knowing. The simple past of " believe" ? believed believe believing believet. The simple past of " become" ? became become becomed becoming.
