Grammar
Because it lacks inflectional morphology, the grammar of the Thai language might be considered simpler than grammar in Western languages, and for many students, this makes up for the additional difficulty of the tones. Most significantly, words are not modified or conjugated for tense, person, possession, number (singular/plural), gender, or subject-verb agreement. Determiners such as a, an, or the are not used, so linguistic definiteness is expressed in other ways, but most often left underspecified. Most Thai words are a simple single immutable syllable. Thai words are assembled into larger forms by compounding; particles and other markers—such as for aspect—are added to fine-tune the meaning. In this way, tense, politeness, verb-to-noun conversion, and other linguistic objectives are accomplished with the addition of modifying words to the basic subject-verb-object word order.