The aspect marker le comes after a transitive or intransitive verb.
They cannot be accompanied by aspect markers.
Instead it uses a combination of aspect markers and markers of modality.
There is then the possibility of an internal adverb thereafter followed by an optionally appearing aspect marker.
For transitive verbs, a direct object may appear after the aspect marker which is followed by the verb.
This aspect marker indicates that the action of the verb is desired or permitted.
This aspect marker serves to form a negative imperative.
Although the prefixes are called aspect markers, they really are tense markers as well.
Instead, these concepts are expressed through adverbs, aspect markers, and particles, or are deduced from the context.
Cantonese has a dedicated habitual aspect marker, 開 hoi1, with no similar counterpart in Mandarin.