| We show that these traditional models of perfective aspect cannot account for the aspectual system of Thai. |
| It could well be that the aspectual markers introduce events. |
| Certain aspectual distinctions express a relation in time between the event and the time of reference. |
| But the PS conveys aspectual information too. |
| One factor that largely determined the ancient recognition of house strength is the aspectual relationship that naturally exists between house cusps and the ascendant. |
| It seems that both constructions are compatible with the different aspectual meanings, but to different degrees. |
