1. Unit 3 Lesson 5: Perfect Tenses
Page 113

2. Every verb has four basic forms called principal parts.
PRESENT PARTICIPLE
PAST
PAST PARTICIPLE
Paint
Is painting
Painted
Has painted
Touch
Is touching
Touched
Has touched
Carry
Is carrying
Carried
Has carried
Love
Is loving
Loved
Has loved
Hum
Is humming
Hummed
Has hummed
Guess
Is guessing
Guessed
Has guessed
Plan
Is planning
Planned
Has planned

3. Try it out numbers 1-10 page 113
Do them in your notes, please.

4. Forming the perfect tense
Three perfect tenses – present perfect, past perfect, and future perfect.
The three perfect tenses are made up of the helping verb to have and the past participle.

5. Present Perfect
Use the present perfect tense to express an action that took place at an indefinite time in the past. It may still be going on.
Example: Dr. Jiri has conducted the research.

6. Past Perfect
Use the past perfect tense for an action in the past that was completed before another action took place.
Dr. Jiri had conducted the research before the year ended.

7. Future Perfect
Use the future perfect tense for an action that will be completed before another action in the future.
Dr. Jiri will have conducted the research before the year ends.

8. Try it out – 25 through 28 on page 114 in your notes, please.

9. Please do 29-39 and 53-63 in your notes.
It is due before our next Grammar period.