Unusual pets: stick insects, giant snails, ant farms and hermit crabs, sentence 16

Hermit crabs have soft back ends and borrow empty snail shells, so as they grow a tank needs spare shells, and painted shells sold in shops can harm crabs.

Who acts: Hermit crabs, crabs, tank, painted shells · What happens: have, borrow, grow, need, paint, sell · To what, where: soft back ends, empty snail shells, spare shells, painted shells, shops, crabs

This is a sentence of the lesson «Unusual pets: stick insects, giant snails, ant farms and hermit crabs» 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 (Hermit crabs, crabs, tank, painted shells), 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/330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs/16/