Simple Verb Tenses
Progressive Tenses
Subject-Verb Agreement
Perfect Tenses
Science Vocabulary
100

I  _____ interested in a career in environmental science. (verb: be; tense: present)


I am interested in a career in environmental science.

100

Lily  ____________ more interested in her drama classes. (verb: become; tense: present progressive)


is becoming

100

The people at the party __________________ in space-themed costumes. (verb: be)


are

100

Dolphins ____________ an interest in shiny objects. (verb: show; tense: present perfect)


have shown

100

Some marketers are using _________________      to study what consumers may want to buy. 

AI

200

I __________________ to a summer program of study in naturalism. (verb: apply; tense: future)

will apply

200

Our class __________________ electrical circuits today. (verb: build; tense: present progressive)


is building

200

Everyone __________________ to attend the event. (verb: want)


wants

200

After the storm __________________, we discovered some seashell treasures on the beach.
(verb: pass; tense: past perfect)


had passed

200

A camera can capture changes in the size of a consumer’s _______________________, which shows they are interested in something.


pupils

300

I __________________ that people can learn a lot from nature. (verb: believe; tense: present)


believe

300

We __________________ the basic principles of electricity. (verb: investigate; tense: future progressive)


will be investigating

300

The man who checked our coats __________________ missing. (verb: be)

is

300

The sunken treasure __________________ on the ocean floor until it was discovered.
(verb: rest; tense: past perfect)

had rested

300

In one experiment, researchers ________________                                                                         consumers’ interest in sports equipment. 



monitored

400

I really __________________ my science class this year. (verb: enjoy; tense: past)


enjoyed

400

The high school __________________ several night courses throughout the year. (verb: offer; tense: future progressive)

will be offering

400

The student ____________ before the final exam. (verb: study)

studies

400

By the end of the next decade, scientists __________________ further studies on why dolphins
like shiny objects. (verb: conduct; tense: future perfect)

will have conducted

400

The people in an experiment are called __________.

subjects

500

We __________________ the historical relationship between humans and the environment. (verb: explore; tense: past)


explored

500

I __________________ careers last night. (verb: research; tense: past progressive)


was researching

500

He __________ across the lake. (verb: swim)

swims

500

Researchers __________________ dolphins playing with and carrying shiny objects.
(verb: observe; tense: present perfect)

have observed

500

A change in heart rate in an example of a ___________________ response, like pupils dilating. 

physiological