Treceti urmatoarele verbe di paranteze la trecut ,iar uneori la negativ ssu interigativ cand apare cu not sau semnul?
1.he (not manage)to convince grocers and shoppers that quick frozen fish (be) tasty.
2 Birdseye (not give up).He (convence)several wealthy people of the merits of his idea.
3.Together they (form) a food company and (publiceze)quich frozen foods .
4.After the success of his first venture ,Birdseye (not stop)worrking on inventians.
He (design) an electric fishing reel among other thimgs.
5.He also (develop)a process for dehydrating foods.