An appearance can be customary.Logical formLearned from52 sentences. (Afternoon sleigh rides) can be customary.Logical formLearned from51 sentences. Standards can be customary.Logical formLearned from50 sentences. A knighthood can be customary.Logical formLearned from49 sentences. An approach can be customary.Logical formLearned from49 sentences. A meeting can be customary.Logical formLearned from49 sentences. A period can be customary.Logical formLearned from48 sentences. A silence can be customary.Logical formLearned from48 sentences. A sense can be customary.Logical formLearned from47 sentences. A visit can be customary.Logical formLearned from47 sentences. A usage can be customary.Logical formLearned from46 sentences. Uses can be customary.Logical formLearned from45 sentences. A speech can be customary.Logical formLearned from45 sentences. Limits can be customary.Logical formLearned from44 sentences. Forms can be customary.Logical formLearned from44 sentences.