This is the adjective form of hills.
What is hilly?
This is a range of mountains.
What is a mountain range?
This is what the top of a mountain is called.
What is peak?
You can use this grammar form to give strong advice or warn of a possible negative consequence.
What is had better/had better not?
This is a word that is part of the infinitive form and can act as a preposition.
What is to?
This is the adjective form of mountains.
What is mountainous?
This is a low area of land in between mountains that usually has a river or stream flowing through it.
This is a large, flat area of land.
What is a plain?
This is a less strong form of had better/had better not.
What is should/should not?
Use this preposition in the blank: I'm going __ the park.
What is to?
These two words can be used to describe a desert.
What is dry and arid?
This is a giant block of ice that moves.
What is a glacier?
This is a piece of land that is completely surrounded by water.
What is an island?
Generally speaking, use this preposition for continents, countries, cities, etc.
What is in?
Use this preposition in the blank: The canoe is __ the lake.
What is on?
This word can be used to describe a beautiful landscape.
What is scenic?
This is a place in a river or stream where water flows over a steep drop or cliff.
What is a waterfall?
This is a large, standing body of water that is completely surrounded by land.
What is a lake?
Generally speaking, use this preposition for the surfaces or outer layers of things/places.
What is on?
Use this preposition in the blank: Florida is __ the southeastern part of the U.S.
What is in?
These three words can be used to describe foliage/vegetation.
What is lush, green, and verdant?
This is a deep, narrow valley with high, steep rock cliffs on both sides.
What is a canyon?
This is a strip of land where the mainland meets an ocean, sea, or large lake.
What is the coast?
Generally speaking, use this preposition to show parts of a whole, possession or belonging, etc.
What is of?
Use this preposition in the blank: Puerto Rico is a part __ the U.S.
What is of?