2 ESO Unit 2 Time expressions with Present Perfect

Meaning: Ya

Position in the sentence: Before Past Participle

Affirmative sentences

I have already done my homework.

Meaning: acabo de...

Position in the sentence: Before Past Participle

Affirmative sentences

I have just had lunch.

Negative sentences

Position in the sentence: At the end of the sentence

Meaning: todavía

I haven't done my homework yet.

Interrogative sentences

Position in the sentence: At the end of the sentence

Meaning: Ya

Have you done your homework yet?

Meaning: alguna vez

Position in the sentence: Before Past Participle

Interrogative sentences

Have you ever eaten insects?

Meaning: nunca

Position in the sentence: Before Past Participle

Affirmative sentences

I have never been in Asia.

Meaning: durante

+ Period of time (with a number or in plural)

for ages, for 3 years, for a week, etc.

Meaning: desde

+ Point in time (date / event)

since 1999, since I started secondary school, since last week, etc.