Past Modals
Noun Clauses
Gerunds - Grammar Rules
Gerunds - Fix the Mistake
Vocabulary
100

(talk)

The police know who committed the crime. Someone must __________ ________ to them.

have talked

100

Clauses must have at least two parts of speech: a(n) __________ and a(n)  ___________.

subject/noun and verb

100

"Swimming is great for your health."

In this example, the gerund is the _________ of the sentence.

subject

100

Cookings meat until there is no more pink helps prevent food poisoning.

Cooking meat...

100

A situation in which we don't know a piece of key information, such as who did something or how it was done.

mystery

200

(leave) The killer may _____ _____ some clues.

have left

200

Identify the noun clause:

"No one understands why ancient humans drew on cave walls." 

why ancient humans drew on cave walls

200

Gerunds are always __________, never plural.

singular

200

To sit on the couch all the time is not good for your heart. 

Sitting on the couch...

200

unknown

uncertain

300

Fix the mistake: 

That author might have wrote some books under a different name.

written

300

In the sentence "I want to know how the detective solved the crime," the noun clause is the ______________ of the verb "know." 

object

300

How do you create a negative gerund?

Add the word "not" before the gerund.

300

Sleeping are one of the most important ways you can take care of your body.

Sleeping is one of the...

300

To find out who committed a crime.

solve

400
My keys were in my pocket when I left work. Now, they're not there. They ______ have fallen on the ground as I walked home. 

must

400

Name 5 words that often begin noun clauses.

Who

What

Where

When

Why

or How

400

When do you double the final consonant in the base form of a gerund? 

when the last three letters of the base form are consonant-vowel-consonant (CVC). 

400

Heatting the pan before adding eggs is a good idea.

heating

400

A fictional person who doesn't exist in real life, but appears in things such as movies, plays, and TV shows.

character

500

Unscramble this sentence:

before visited could aliens have Earth 

Aliens could have visited Earth before.

500

Rewrite this sentence with a noun clause (rather than an adjective clause):

I needed to know the identity of the person who committed the crime.

I needed to know who committed this crime. 

500

Between gerunds and infinitives, only gerunds can be the object of a _____________.

preposition

500

I need to eating more vegetables.

I need to eat more vegetables.

500

Evidence that tells us that something is true with 100% certainty. 

proof