All Blog Posts (10,242)


Skills needed:



Square root

Algebra Angles   

The Pythagorean Theorem helps us to figure out the length of the sides of a right triangle. If a triangle has a right angle (also called a 90 degree angle) then the following formula holds true: a2 + b2 = c2 (It is…


Added by Annie Brackett on August 9, 2016 at 9:17am — No Comments

4 Steps to make your profile pic look really professional

When I first added logos to my profile picture, I just simply did it in Preview on a mac. It was effortless. Once people saw my profile sporting my nifty badges to show off my accomplishments, everyone wanted to know how to do this and I wanted to help. Since not everyone has a Mac I put together these handy directions to use on any device. I used Lunapic, a free online photo editor.


Step 1:  Upload your photo into an image…


Added by Eileen Lennon on August 6, 2016 at 8:00pm — No Comments

Hello Everyone.

I am a new participant to classroom 2. I am a student of dental hygiene ,my aim is to learn from you all.

Added by Nadeem Zimindor on July 27, 2016 at 5:13am — No Comments

Past Tenses

Past Tenses

In general the past tenses are used to talk about something that started and finished at a definite time in the past

Past Simple…


Added by Patricio Andres Espinoza Loyola on July 7, 2016 at 3:10pm — No Comments

Will and Going To

We use Will and Going to when we want to refer the future, but sometimas could be very confusing to know which one to use.

There is a slight difference between the two but in the most causes can be used with no differences in meaning. Even a native speake is going to understand you without…


Added by Patricio Andres Espinoza Loyola on July 7, 2016 at 1:33pm — No Comments

Future tenses

Future: Will


- Facts (something that is true). example: John will date Maria on Aphril 17th

-Prediction based on fact.example: It is cloudy today, it will rain later.

-General future. example: Will you go to classes?

-Resufal of things. example: I won´t go

-Promises. example: I will go tomorrow, I promise.…


Added by Carla Vidaurre Troncoso on July 1, 2016 at 12:35pm — No Comments

Present Continuous


Added by Natalia Leiva Macaya on June 28, 2016 at 9:54pm — No Comments

Past Perfect

We use "Past Perfect"…


Added by Natalia Leiva Macaya on June 28, 2016 at 9:17pm — No Comments

Past Continuous


Added by Natalia Leiva Macaya on June 28, 2016 at 8:56pm — No Comments

Grammar content

Present continous for future arrangements.

                  Especially for events at a time later…


Added by marilyn on June 25, 2016 at 9:42am — 1 Comment

Past perfect continuous

We use the past perfect continuous to talk about actions or situations that were in progress before some other actions or situations.

We use past perfect continuous in these cases:


  • Duration of a past action


I had been dating with him for two years before we broke up.

 He had been working at that company for three years before we met.

How long had you been waiting for the bus?


  • For…

Added by Camila Valenzuela Bestwick on June 24, 2016 at 9:43pm — No Comments

Past Perfect

Past perfect


The past perfect tense indicates that an action was completed or finished at some point in the past before something else happened.


We use the past perfect in these cases:


  • For an action that happened before another action in the past


I had not studied Italian before I move to Italy.

She said that she had bought that bag in the mall.

We had met before you introduced…


Added by Camila Valenzuela Bestwick on June 24, 2016 at 8:38pm — No Comments

Present perfect continuous

This tense is used to talk about an action or actions that started in the past and continued until recently or that continue into the future.


  • We can use it to refer an action that has finished but you can still see evidence.


You look sad. Have you been crying?

My back hurts. I have been sitting for a long time today.

This room is a mess. Who has been playing here?


  • For an action that hasn’t…

Added by Camila Valenzuela Bestwick on June 20, 2016 at 7:37pm — No Comments

Present tenses

 Present Simple


We use present simple for

- Daily routines. example: I wash up my face everyday

- Facts. example: He lives on a farm

-Feelings. example: Ginger loves John

- Repeated actions. example: She always smile…


Added by Carla Vidaurre Troncoso on June 19, 2016 at 3:24pm — No Comments

Present Perfect

The present perfect is formed with a present tense of “to have” plus the past participle of the verb which can be either regular or irregular in form.

We use the present perfect for the following cases.

  • When we don’t know the specific time when something happened


I have been in London before. (At unspecific time in the past, but we don’t know exactly when)

I have seen that movie.

She has read that book many…


Added by Camila Valenzuela Bestwick on June 18, 2016 at 7:33pm — No Comments

Past Continuous

Past continuous:

The past continuous is formed from the past tense of be (was/were) with the -ing form of the verb.

We use the past continuous to talk about the past

  • A continuous action in the past which is interrupted by another action or a time.


I was reading when the cellphone rang.

We were playing when she fell asleep.

At ten o’clock, I was sleeping.


  • For two actions which happened at the…

Added by Camila Valenzuela Bestwick on June 16, 2016 at 4:31pm — No Comments

How to Unlock Hidden Enthusiasm in Your Students

Competing with cell phones and video games for students' attention can be daunting for teachers today. But there are ways to tap into your student's creativity and stir their excitement to get them more fully engaged in learning activities. Here are a few suggestions for unlocking your students' enthusiasm for education.


Hands-on technology

Instead of fighting technology like for your students' attention, optimize its use. Consider the use of classroom clickers…


Added by Emma Sturgis on June 16, 2016 at 4:19pm — 2 Comments

Present Perfect


Added by Natalia Leiva Macaya on June 15, 2016 at 10:58pm — No Comments

Will and Be going to


Added by Natalia Leiva Macaya on June 15, 2016 at 9:00pm — No Comments

Present Continuous

Present Continuous:

We use the present continuous tense to talk about the present:

  • For something that is happening at the moment of speaking


I’m studying right now.

My sister is sleeping.

They are watching a movie.

You can identify this use for these most common adverbials: Now, right now, at the moment and currently.

  • For temporary situations.


I’m working here for two…


Added by Camila Valenzuela Bestwick on June 15, 2016 at 6:43pm — No Comments

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