A verb usually starts the section of a sentence that tells what someone or something is doing or being.
Computers have changed students' lives.
Typewriters are becoming obsolete.
Even small colleges are buying simple word-processors.
In laboratories, students can share the expensive equipment.
Revisions and corrections are almost fun on a computer.
Some verbs are single words, but many are verb strings. A verb string is made of a main verb with one or more auxiliaries in front.
Jeff will be climbing the glacier tomorrow.
He has loved adventures since he was a kid.
He was preparing his equipment when we saw him last night.
He will be leaving for the base when the sun rises.
His Aunt Sally would have been amazed at his determination.
Some auxiliaries can shrink into contractions. Show the apostrophe in your answer, too.
Recently we've learned a lot about the origin of the solar system.
There's a physicist in this school who's working on that issue.
She'd been interested primarily in black holes until last year.
She's offering some lectures about the edge of the universe.
She claims we'll be making a new breakthrough in physics soon.
Questions and negatives split verbs in two. The verb to be is an exception. (Remember that the word "not" is not really part of the verb; it's an adverb modifying the verb.)
Have the carpenters arrived?
I wasn't expecting them because they haven't been on time yet.
Did Armando tell them about the foundation?
The concrete didn't crack after all.
Bobby isn't so doubtful about the project now.
A verb gives clues about the time of an event.
Finally the union has signed a new contract.
The salary scale looks pretty strange.
The contract is upsetting some people who worked on the negotiations.
But I have understood its purpose from the start.
Most of the drill-press operators will understand, too.
The base form of a verb can act as a main verb in a verb string. It can also stand as a single-word verb expressing present or recurring time.
Anyone can see that you need a rest.
If only you would check with your doctor, you'd understand.
She will agree with us, I know.
We all gossip about your workaholic habits.
You should come with us the next time we go out for lunch.
The simple past form acts as a single word verb expressing past time.
Sandra's ten-year-old cooked spaghetti for supper.
He boiled it for half an hour.
It tasted like soap, but we ate it.
He felt proud and offered us all seconds.
We complimented him, and he bragged about it all week.
The present participle ends in -ing. It combines with the forms of the auxiliary to be to express continuing action.
The garden was taking too much of my time last summer.
The weeds were choking out the carrots.
The old woodchuck was driving me crazy.
From now on, I will be leaving the garden in my neighbor's hands.
My tomatoes are ripening beautifully under his care.
The past participle may combine with a form of the auxiliary to have to express completed action. It may combine with a form of the auxiliary to be to express the passive voice.
Americans have abandoned the thrifty habits of their ancestors.
Even my grandmother has squandered the savings from her old mattress lining.
She had hoarded her spare dollar bills there for years.
Now she has changed her ways and we are amazed by her purchases.
Some peculiar social trends may be revealed here.
Irregular verbs do not follow the usual pattern of changes in their simple past and past participle forms.
Basil was such a good friend until he bought that jeep.
Then he became a fanatic hunter.
He drove further and further into the country on each excursion.
We have seen very little of him lately.
He has begun a whole new life.
Participle forms may act as parts of verb strings. Without auxiliaries, however, they are not verbs. An infinitive does not act as a verb.
Write only the verbs in the spaces provided.
The janitor wanted to get the room ready for the meeting.
Without telling us, he removed all our painting equipment.
I found two paint cans and some brushes just sitting in the hallway.
We complained about the broken ladder and asked him to fix it.
He is stubborn enough to hold his ground.
Verbs may be compounded by one of the following conjunctions: and, but, yet, or, nor.
Remember to separate your verbs with a comma.
My old yellow dog scratches his ear and whines at me.
He waddles with age yet wags his tail like a pup.
He wiggles like crazy, licks my hand, and rolls over for a good tummy-tickling.
He wants to obey but can't remember the moves.
Finally he either ignores me or goes to sleep.