Use the class presentation as a reference for this topic.
The main idea is that some verbs have a different meaning when they are followed by a verb + -ing or by a verb + infinitive with to.
Look at the example:
I never forget to pick up the kids from school. (The verb forget refers to now ir in the future)
I will never forget stduying for literature exams. ( The verb forget refers to memories of the past)
As an extra practice complete exercises 6 and 7 from the book, pg 50.

Exercise 6
ResponderBorrar1. to tell
2. leaving
3. meeting
4. writing
5. to lock
6. talking
7. to email
8. shouting
Exercise 7
1.I really regreat finishing my maintenance's project before this week.
2. I'll never forget to carry my keys.
3. After this course I'm going to go on learning English.
4. Next year I really mean to do exercise.
5. I must remember to do this Class.
Cristian Ramírez
ResponderBorrarExercice 6:
Telling
To leave
Meeting
Writing
To lock
Talking
Emailing
Shouting
Exercice 7:
I really regret joking about your profession
I´ll never forget talking to you the first day
After this course I´m going to go on traveling
Next year I really mean to study portugues
I must remember calling my mother more often
Exercise 6
ResponderBorrar1. Telling
2. Leaving
3. To meet
4. writing
5. to lock
6. talking
7. to email
8. Shouting
Excercise 7
I really regret cooking lagsana, it was very hard.
I´ll never forget traveling across the country.
After this course I´m going to go on an adventure.
Next year I really mean to cook like a pro.
I must remember packing all my things when I leave.
Michael Soto
ResponderBorrarExercise 6
1.Telling
2.Leaving
3.Meeting
4.To write
5.To lock
6.Talking
7.To email
8.Shouting
Excercise 7
I really regret quitting basketball, i used to be good at it.
I'll never forget playing my favorite sport against other teams.
After this course i'm going to go on a track race.
Next year i really mean to become an engineer.
I must remember telling my mother to pay the rent.
José Andrés Guardia
ResponderBorrarExersice 6
1 Telling
2 Leaving
3 meeting
4 writing
5 To lock
6 Talking
7 To email
8 shouting
Exercise 7
1 I really regret being such a lazy kid.
2 I’ll never forget visiting Brasil in 2013.
3 After this course I’m going to go on vacations.
4 Next year I really mean improving my grades.
5 I must remember to do the homework on time.
Exercise 6
ResponderBorrar1. to tell
2. leaving
3. meeting
4. writing
5. to lock
6. talking
7. to email
8. shouting
Exercise 7
1.I really regret to ask people for unpleasant favors
2. I'll never forget practicing karate in front of a big audience
3. After this course I'm going to go on learning another language
4. Next year I really mean to organize better my time
5. I must remember to ask some doubts to my physics teacher tomorrow.
6) 1. telling
ResponderBorrar2. to leave
3. meeting
4. writing
5. locking
6. to email
7. shouting
7) 1. I really regret breaking your arm
2. I'll never forget dancing with Adal Ramones
3. After this course I'm going to go on to make a long trip
4. Next year I really mean to cut my hair
5. I must remember to finish my homework on time
Exercise 6
ResponderBorrar1. To tell
2. Leaving
3. Meeting
4. Writing
5. To lock
6. Talking
7. To email
8. Shouting
Exercise 7
1. I really regret not being patient enough to take care of her.
2. I’ll never forget to send this homework on time.
3. After this course I’m going to go on to learn French.
4. Next year I really mean to study more.
5. I must remember doing those math problems before the class.