Mangroves: trees in salt water, mudskippers, archerfish and swimming tigers, sentence 5

Stilt roots hold mangroves up in soft mud and also take in some air, and some mangroves have snorkel-like roots called pneumatophores that stick up and take in air, because the mud has little oxygen.

Who acts: Stilt roots, mangroves, like roots, mud · What happens: hold up, take, have, call, stick up · To what, where: mangroves, soft mud, air, like roots, pneumatophores, little oxygen · Speech: someone speaks here

This is a sentence of the lesson «Mangroves: trees in salt water, mudskippers, archerfish and swimming tigers» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Stilt roots, mangroves, like roots, mud), what happens, when and where, as Mova's frames read it from the tree.

The tree

Pragmatics

form

statement

act

assert

voice

narrator

polarity

none

teacher

kept the draft

One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/biology/178-mangroves-trees-in-salt-water-mudskippers-archerfish-and-swimming-tigers/5/