Assertion: preposition | /r/HasProperty | difficult
Facets:
value: for esl students
type: TRANSITIVE-OBJECT
value: to understand
type: TRANSITIVE-OBJECT
value: to master
type: PURPOSE
value: at times
type: TEMPORAL
Source sentences:
text: Prepositions are small words that can be difficult at times to understand and identify.
text: This follows on from the last text about why prepositions are so difficult to learn (if you haven’t read it, you can find it here).
text: Prepositions are difficult to master in any language because their use is idiomatic in many cases.
text: Prepositions in Fench can be difficult to translate into English and idiomatic, and they can exist as a prepositional phrase such as au-dessus de (above), au-dessous de (below), and au milieu de (in the middle of).
text: For ESL students in particular, prepositions can be difficult to master.