How does the main verb of the sentence change with Past Simple?
V2 or -ed
When does 'have' change into 'has' in Present Perfect?
with he/she/it
'in the last few years' - is this a time marker for Past Simple or Present Perfect?
Present Perfect
How does the verb "stay" change with Past Simple?
stayed
Is everything correct in this sentence: "Jane have been to Madrid three times."?
no, "Jane has been"
What does 'just' mean?
action that happened a short time ago
What are the time markers of Past Simple?
yesterday, last (year), a (month) ago, in 2013
How does the main verb of the sentence change with Present Perfect?
have/has + V3 / -ed
Where do we put 'yet' in a sentence?
at the end of a sentence
Why do we use Past Simple in this sentence: "I bought an iPhone three years ago."?
specific past time; without a present result
What are the time markers of Present Perfect?
recently, just, yet, already, in the last few years, (n)ever
Where do we put 'just' and 'already' in a sentence?
before the main verb
Is everything correct in this sentence: "When I was a little kid I dreamed of becoming an astronaut."?
Why do we use Present Perfect in this sentence: "I have visited my grandmother's house not so long ago."
it is an action at a non-specific past time
Is everything correct in this sentence: "I told you, we don't need a new fridge, I have already bought one!"?
yes, everything is correct