1) (review of verb tenses)2) present perfect & present perfect progressive
a) present perfect and past participle
i) (supplementary): past participle vs. present participle
b) present perfect + "since" or "for"c) present perfect + just, already, or yetd) present perfect vs. present perfect progressive vs. simple past
b) present perfect + "since" or "for"
c) present perfect + just, already, or yet
d) present perfect vs. present perfect progressive vs. simple past
3) past perfect & past perfect progressive
a) past participle
4) future perfect & future perfect progressive5) relevant aspect: how to use have/has/had correctly