Connectors of sequence (first, then, when, while, and, etc.)
Sequence connectors (and, or, but, so, first, then, later, before, finally, after that)
Prepositions of time: on, at, in, beyond, by
Past time expressions (yesterday, last week, last night, two years ago)
Connectors (first, then, next, after, that, before, later, finally, and, but)
Connectors of sequence
