Hong Kong SAR China flagJacob“She proposed a platform be formed”. Why there’s no “to” before “be”? It should be like propose a platform to be formed, isn’t it.
1it’s part of the subjunctive mood, and you see it with requests, suggestions and advice.’I suggest that you be quiet’it’s not as common any more but you definitely do still see it around. Here are some links I hope will get you started;http://www.englishteachermelanie.com/how-to-use-the-english-verb-suggest/https://grammar.collinsdictionary.com/easy-learning/the-subjunctivehttps://www.englishclub.com/grammar/subjunctive.htm
1The full form would be "propose that a platform be formed" so "to" is not necessary and sounds a bit strange to me.