Troops may stand_by in case of trouble.Logical formLearned from2 sentences. Attendants may stand_by a while.Logical formLearned from1 sentences. Girls may stand_by in silence.Logical formLearned from1 sentences. Some men may stand_by with notebooks.Logical formLearned from1 sentences. A crone may stand_by with an oillamp.Logical formLearned from1 sentences. A person may stand_by with mouth.Logical formLearned from1 sentences. A male may stand_by during a conversation.Logical formLearned from1 sentences. A philosopher may stand_by for a moment.Logical formLearned from1 sentences. A person may stand_by without a word.Logical formLearned from1 sentences. A husband may stand_by through a battle.Logical formLearned from1 sentences. A soldier may stand_by with a match.Logical formLearned from1 sentences. An owner may stand_by with some friends.Logical formLearned from1 sentences. A female may stand_by for decades.Logical formLearned from1 sentences. Some (police vehicles) may stand_by with lights.Logical formLearned from1 sentences. A hairdresser may stand_by at a party.Logical formLearned from1 sentences.