Section 11.11 Diagram Examples
This section provides reference diagrams for verb phrase structures with modals, tense-aspect combinations, and voice.
Subsection 11.11.1 Modal Combinations with Tense and Aspect
11.11.1 A: Modal + simple verb: will eat.

[VP [MOD will] [V eat]]
11.11.1 B: Modal + perfect: will have eaten.

[VP [MOD will] [AUX have] [V eaten]]
11.11.1 C: Modal + perfect + progressive: should have been studying.

[VP [MOD should] [AUX have] [AUX been] [V studying]]
11.11.1 D: Full complex VP: will have been being eaten.

[VP [MOD will] [AUX have] [AUX been] [AUX being] [V eaten]]
Subsection 11.11.2 Passive Voice
11.11.2 A: Passive with by-phrase: was written by Maria.

[VP [AUX was] [V written] [PP [PREP by] [NP [N Maria]]]]
