Adverbs of Frequency

USES:

They are used to say how often an action is done.

POSITION:

They go AFTER the verb to be but BEFORE other verbs.

ADVERBS:

Always - Siempre

Usually - Normalmente

Often - A menudo/Frecuentemente

Generally - Generalmente

Sometimes - A veces

Rarely - Rara vez

Seldom - Pocas veces

Hardly ever - Casi nunca

Never - Nunca

Links to exercises: 

Adverbs 1

Adverbs 2

Adverbs 3

Present Perfect Continuous

USES:
- To say how long for unfinished actions which started in the past and continue to the present.
- Actions which have just stopped and have a result.


FORM:

- AFFIRMATIVE: Have been + Verb -ing            *Third person singular use has*
I have been playing basketball.          She has been playing basketball.

- NEGATIVE: Have not been + Verb -ing                *Third person singular use has*
I haven't been playing football.           She hasn't been playing football.

- QUESTION: Have/Has + Subject +  Been + Verb -ing + Complements?    
Have you been playing tennis?         Has she  been playing tennis?

TO HAVE (present) is the auxiliary verb.

Links to exercises:

Present perfect continuous 1

Present perfect continuous 2

Present perfect continuous 3

Present Perfect

USES:
- To talk about ongoing actions that began in the past and are still going on: FOR, SINCE.
- To talk about recently completed actions: JUST.
- To talk about actions in the same period of time.

FORM:

- AFFIRMATIVE: Have + Verb in participle             *Third person singular use has*
I have played basketball since highschool.          She has played basketball since highschool.

- NEGATIVE: Have not + verb in participle       I haven't played.
                          Has not + verb in participle        She hasn't play football.

- QUESTION: Have + Subject + Verb infinitive + Complements?         Have you ever played tennis?
                          Has + Subject + Verb infinitive + Complements?          Has she ever played tennis?

TO HAVE is the auxiliary verb.

FOR Vs SINCE

FOR: To talk about a period of time: We have lived in this house for 3 months.

SINCE: To say when the action began: We have lived in this house since February.

JUST / ALREADY / YET

JUST: For something that happened a very short time ago: We have just finished our homework.

ALREADY: For something that happened before now - often a surprised: We have already get the house.

YET: For something that has not happened and questions: Mom hasn´t come back yet.

Links to exercises:
Present perfect 1
Present perfect 2
Present perfect 3
Present perfect 4
Present perfect 5
Present perfect 6

Present Continuous

USES:
- To talk about actions ocurring while talking.
- Confirmed future plans. Completely sure and near in time.
-  With expressions like: Now, Listen, At the moment... 

FORM:

- AFFIRMATIVE: To be (present) + Verb -ing        
I am playing basketball at the moment.          She is playing basketball at the moment.

- NEGATIVE: Be not (present) + Verb -ing           I am not playing football.
                     

- QUESTION: Be (present) + Subject + Verb -ing + Complements?       Are you playing tennis?
                       

TO BE (present) is the auxiliary verb.

Links to exercises:

Present continuous 1
Present continuous 2
Present continuous 3
Present continuous 4
Present continuous 5
Present continuous 6
Present continuous 7

Present Simple

USES:
- To talk about habits or routines.
- Timetables and permanent statements (for future).
- Natural laws.
- With STATE VERBS: like, love, hate, know, be, want, have, understand.
- With ADVERBS OF FREQUENCY: never, sometimes, often, usually, always. (Click to see)

FORM: 

- AFFIRMATIVE: Verb in present               *Third person singular adds -s, -es.*
I play basketball every day.          She plays basketball every day.

- NEGATIVE: Do not + verb in infinitve             I don't play football.
                          Does not + verb in infinitive        She doesn't play football.

- QUESTION: Do + Subject + Verb infinitive + Complements?          Do you play tennis?
                          Does + Subject + Verb infinitive + Complements?      Does she play tennis?

TO DO is the auxiliary verb.

Links to exercises:
Present simple 1
Present simple 2
Present simple 3
Present simple 4
Present simple 5
Present simple 6
Present simple 7