Basic Verbs
Some languages ____ endangered. (be - simple present)
are
Helpful - Adjective or adverb?
adjective
You ___ go if you want, but you don't have to.
(ought to, can, might, or should)
can
She ______ to the Bahamas before. (go)
has gone
Make it active:
Global warming is caused by greenhouse gas emissions.
Greenhouse gas emissions cause global warming.
Currently, linguists ___ to save endangered languages. (try - present continuous)
are trying
Well - Adjective or adverb?
adverb
You ____ study for your test!
(might, could, ought to, or may)
ought to
We ____ this for weeks. (study)
have studied
Make it active:
Floods are being caused by rising sea levels.
Rising sea levels are causing floods.
Some languages ____ extinct. (go - future)
will go OR are going to go
What is the adverb form of "angry"?
angrily
Drivers ___ have a license. It's the law.
(ought to, might, can, must, or could)
must
I ________ a motorcycle before. (not/ride)
have not ridden
Make it passive:
We studied climate change.
Climate change was studied (by us).
That language ___ dormant for many years. (be - past)
was
Adjectives describe ___, while adverbs describe ____.
nouns / verbs
Make the sentence negative:
You have to help.
You don't have to help.
_____ she ever _____ in an airplane? (fly)
Has / flown
Make it passive:
I have planted trees.
Trees have been planted (by me).
Spanish was ____ to the Americas by Spain. (bring - past participle)
brought
The person ___ did that will get in trouble.
(which, that, who, where, or when)
who OR that
Make the sentence negative:
You might need that later.
You might not need that later.
____ Jon and Sarah ____ where they will go to college? (choose)
Have / chosen
Make it passive:
CO2 will continue to trap heat.
Heat will continue to be trapped by CO2.