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Additionally, students should consider whether a verb is regular or irregular. If it is irregular, the verb must be conjugated appropriately based on the following list: Irregular Verb tense list

Teaching strategies:

The instructor should review the present, past, and future simple tense with the students. When reviewing these tenses, the instructor should emphasize that in the present tense, the verb form of a singular subject takes an –s at the end of the verb. A plural subject does not take the –s at the end of the verb.

The instructor should also review the rules to the perfect tense, and highlight that the perfect tense always takes a past participle of the verb.

The following slides provide definitions and tips included in the PowerPoint presentation for Subject-Verb Agreement:

The present and present perfect tenses

(Slide 2)

The present tense: singular and plural subjects

(Slide 4)

The past tense

(Slide 8)

The future tense

(Slide 12)

The instructor should review all material prior to teaching this lesson. In the slide show, definitions and examples of each of the six tenses are provided. Students should learn to define and discriminate between the correct tenses in each example.

In the PowerPoint presentation, four interactive practice slides (# 5, # 6, # 10, and # 14) offer in-class activities for the instructor to review with the class. Each slide provides individually animated sentences with areas in blank for students to complete. After students respond, with a mouse click, the correct answer appears.

The following general rules to the six tenses are emphasized in the final slides of the PowerPoint presentation (slides # 15, # 16, and #17):

  1. The present tense is used for actions in the present or actions that occurs repeatedly
  2. Third person singular takes a singular verb ( with –s)
  3. Third person plural takes a plural verb ( without –s)
  4. The present perfect tense indicates an action completed in the present or continuing into the present
  5. The present perfect tense uses “ have ” or “ has ” with the past participle of the verb (regular verb ending in - ed , - d , - t , - en , or – n )
  6. The past tense indicates that an action was completed in the past
  7. Add – d or – ed to regular verbs in the past tense
  8. Irregular verb tenses are tricky and must be learned
  9. The past perfect tense indicates that an action was completed before a stated or known time in the past
  10. The past perfect tense uses “ had ” + the past participle of the verb (regular verb + - ed , - d , - t , - en , or – n )
  11. The future tense indicates an action that has not yet occurred but will take place in the future
  12. The future tense uses “ will ” or the proper present tense of “ be ” with “ going to ” and the verb
  13. The future perfect tense indicates an action that will be complete before a known time in the future
  14. The future perfect tense uses “ will have ” + the past participle of the verb (regular verb + - ed , - d , - t , - en , - n )
  15. For irregular verbs, see the irregular verbs handout


In order to offer this lesson, instructors need a computer and a multi-media projector.

The following materials and handouts are provided with this module:

  1. PowerPoint slide show: Six Tenses
  2. A hand-out of the slide show for students after they receive the lesson: Handout-SixTenses
  3. A handout sheet with a list of irregular verb tenses in the present, past, and past participle: Irregular Verb List
  4. Two practice sheets with subject-verb agreement exercises: Practice I-S-V Agreement ; Practice II-S-V Agreement
  5. Answer sheets for the two practice exercises: Answers-Practice I-S-V Agreement and Answers-Practice II-S-V Agreement


The authors recommend that the instructor distribute one or both of the practice sheets to the students as a pre-test prior to receiving the lesson. After completing the lesson, students should answer the practice sheets again as a post-test. In this way, instructors may determine whether the students master this objective or require additional instructional support.


Hacker, D. (2008). Rules for writers (6th ed.). Boston: Bedford/St. Martin's.

Maimon, E. P., Peritz, J. H.,&Yancey, K. B. (2007). A writer's resource: A handbook for writing and research (2nd ed.). New York: McGraw-Hill.

Walsh, J. M.,&Walsh, A. K. (1972). Plain English handbook (6th ed.). Cincinatti: McCormick-Mathers Publishing Co., Inc.

Willis, D. (1991). Collins cobuild: Student's grammar . London: HarperCollins.

Questions & Answers

where we get a research paper on Nano chemistry....?
Maira Reply
what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
no nanotechnology is also a part of physics and maths it requires angle formulas and some pressure regarding concepts
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
yes that's correct
I think
Nasa has use it in the 60's, copper as water purification in the moon travel.
nanocopper obvius
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
How we are making nano material?
what is a peer
What is meant by 'nano scale'?
What is STMs full form?
scanning tunneling microscope
how nano science is used for hydrophobicity
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
what is differents between GO and RGO?
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
analytical skills graphene is prepared to kill any type viruses .
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
The nanotechnology is as new science, to scale nanometric
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
what school?
biomolecules are e building blocks of every organics and inorganic materials.
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Source:  OpenStax, Civis project - uprm. OpenStax CNX. Nov 20, 2013 Download for free at http://cnx.org/content/col11359/1.4
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