Modals - Future Perfect

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Future Perfect

Making Predictions

board room with people working

Today, we have a lot of work to do.
Everyone is working hard to complete it.

Prediction

A speaker can make predictions about what he or she expects to be completed in the future.

INTENT	A PREDICTION OF COMPLETION
Tomorrow, we will finish this project. (We are determined to do so.)	By tomorrow, we will have finished our project. (We predict we will be done.)

Future Perfect Expressions

BY THE TIME	IF
X will already be done when (by the time) Y happens	X will already be done if Y happens
We will have left the office by the time you arrive.	We will have left the office If you arrive after 5 p.m. (future hypothetical)
we will have invented more efficient cars by the year 2011.	You would have found us goneif you had come late. (hypothetical situation in the past that did not happen - imaginary.)

Adverbs

FUTURE	FUTURE PERFECT
Future tense uses adverbs of time with indefinite or exact times in the future.	Future perfect uses adverbs of time with exact times in the future – the ending time at which the action will be completed.
tomorrow tonight next week next Saturday next month	by the time by tomorrow by this time next week by the year 2020 (adverbs indicating a completion date)

Verb Tense Form

SINGULAR	PLURAL
will have + participle (not has)	will have + participle
By tomorrow, I will have finished my book. By tomorrow, he will have finished his book. By tomorrow, she will have finished her book.	By tomorrow, we will have finished our books. By tomorrow, they will have finished their books.

Practice forming participles Participle Review

Practice 1

Future Predictions

Select the best answer to complete the sentence.
* indicates an incorrect answer.

#	MODAL SENTENCE	YOUR RESPONSE
1.	By the end of this decade, many people their large gas-consuming cars. Feedback 1	will sell will have sold
2.	In the next ten years, many people their large gas-consuming cars. Feedback 2	will sell will have sold
3.	By 2010, most baby boomers . "Baby boomers" = generation born from 1945-1955. Retirement age is 65. Feedback 3	will retire will have retired
4.	Next July, John in this country for ten years. Feedback 4	will have been will be
5.	Next July, I in this country. (I'll be traveling in the East.) Feedback 5	will have been will be

Practice 2

Raising a Baby

Baby Center. Milestone Chart. 2008. <http://www.babycenter.com/>
MSN. The Cost of Raising Kids. 2008. <http://moneycentral.msn.com/articles/family/kids/tlkidscost.asp>

Select the verb tense that goes with the context of the sentence.

#	YOUR RESPONSE	FEEDBACK
6.	By the time a child is one year old, she 3,500 diapers.
7.	A child diapers until 18 to 30 months old.
8.	When a child is two months old, she making sounds with her lips.
9.	By the time a child is five, he his ability and speak in sentences.
10.	Each month, parents about $900 per child on food (including lunch money.)
11.	By the time a child is 15, he the doctor an average of 60 times!
12.	As a teenager, a child up to three times more food.
13.	At age 16, the child to get his or her driver's license.
14.	By the time a child is 17, the parents $9,990 in health insurance.
15.	When the child is 17, she which college to attend.
16.	By the time the child is 18, he $426,190 (including college tuition) to raise! (Estimated amount is for a child raised in a suburb of a large U.S. cit.y)

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