3. Mr bean[k5: capitalization error] Bean was late to[k3: wrong preposition=неправильный предлог] for work, same as other times[k3: unnatural phrase]just like before. They had to discuss about[k4: wrong preposition- after 'discuss' in either English or Russian we do not pronounce 'about'] discuss the private donation of 50 million dollars[k5: number formatting – formal writing requires spelling out round numbers] fifty million dollars to spend on buying Whistler's portrait of his mother.
Mr. Walton announced that, mr bean[k5: capitalization error]Mr Bean will be[k4: wrong tense –reported speech requires backshift =косвенная речь в прошлом требует сдвиг на шаг назад времен всех глаголов] would be fired as soon as chairman will arrive[k4: wrong tense – time clause, no 'will', no Present tenses, because it was all said in the Past!], the chairman arrived.
When chairman[k4: wrong article – missing "the"]the chairman arrived, they started to discuss about[k4: wrong preposition]discuss Mr. Bean, and finally they decided to send Bean to the Grierson Gallery of California as a representative of the Royal Gallery. That way they would be able to get rid of him for some time.
The Grierson Gallery of California have got letter[k4: wrong verb form + wrong article] received a letter from the Royal Gallery that said about Mr. Bean[k4: incorrect verb pattern – "say about" is incorrect] said that Mr. Bean and his genius dwarf and meagre talents[k2: incoherent phrase (непонятная фраза)- Did you try to express an oxymoron (оксюморон=сочетание двух противоположностей, как, на пример в выражениях "обжигающий лед, "живой труп"?– unclear or inappropriate metaphor, "dwarf" is a noun ] limited but quirky talents would represent the British National Gallery in Los Angeles, they have decided to take him in[k2: incoherent – unclear subject reference and logic], so they agreed to accept him as their guest.