Question

SIMPlE PAST, alguem pode me ajudar, nn estou entendendo?

Complete the magazine article with the verbs in parentheses.Use the simples past. you can look at the irregular verbs if necessary 

a)when writhing an article for a newspaper, hungarian journalist laszlo biro__________(realize) how much time he___________(waste) filling up his fountain pen and removing ink stains. on a visit to a newspaper,he_________(notice)that the ink that was used to print the papers___________(leave-neg.).any stains and__________(dry) quickly. 
Laszlo and his brother george,who was a chemist, started woerking on the idea of a new kind of pen. they_________(desing) a tube with a cartridge inside.They_________(fill) the cartridge with the same indian ink used in newspapers and__________(put) a tiny metal ball at the end of the certridge to transfer the ink from the pen onto the paper. Laszlo obtained his first patent in 1938. 
the first models___________(fail),but the biro brothers_________(make) improvements to the initial project and_________(take) out anew patent in 1943

Answer 1

realize - realized
waste - wasted
notice - noticed
leave (neg) - didn't leave
dry - dried
design - designed
fill - filled
put - put
fail - failed
make - made
take - took
na maioria dos verbos a regra é só botar -ed, -ied ou -d no final, mas alguns são irregulares e tem a sua própria regra :)

Answer 2

(realized) (wasted) (noticed) (didn't leave) (dried) (designed) (filled) (put) (failed) (made) (took)