Markings can be tense.Logical formLearned from19 sentences. First person can be tense.Logical formLearned from19 sentences. A sign can be tense.Logical formLearned from19 sentences. Faces can be tense.Logical formLearned from19 sentences. A performance can be tense.Logical formLearned from19 sentences. Conditions may remain tense.Logical formLearned from19 sentences. A room can be tense.Logical formLearned from19 sentences. An era can be tense.Logical formLearned from19 sentences. A (waiting game) can be tense.Logical formLearned from19 sentences. A present can be tense.Logical formLearned from19 sentences. An inflection can be tense.Logical formLearned from19 sentences. Cross-strait relations can be tense.Logical formLearned from19 sentences. Politics can be tense.Logical formLearned from19 sentences. A (weekend standoff) can be tense.Logical formLearned from19 sentences. A nation can be tense.Logical formLearned from19 sentences.