Present Perfect, the use of the tense for past events with the results at present

We use Present Perfect to express actions that have a connection with the present moment or results:

• Has she gone out?
• I have got a new letter today. Look it through, please!

This tense also helps us to give new information or to announce a recent event:

• Look! Our mother has already cooked the dinner.
• There has been an accident. The road seems to be closed.

The constructions of the sentences:

+ Subject + have/has + predicate + the rest parts of the sentence.

• I have gone to the swimming pool.
• You have gone to the swimming pool.
• We have gone to the swimming pool.
• They have gone to the swimming pool.
• She has gone to the swimming pool.
• He has gone to the swimming pool.
• It has gone to the swimming pool.

- Subject + have/has + not + predicate + the rest parts of the sentence.

• I have not done the washing-up.
• You have not done the washing-up.
• We have not done the washing-up.
• They have not done the washing-up.
• She has not done the washing-up.
• He has not done the washing-up.
• It has not done the washing-up.

? Have/has + subject + predicate + the rest parts of the sentence.

• Have I eaten everything from the fridge?
• Have you eaten everything from the fridge?
• Have we eaten everything from the fridge?
• Have they eaten everything from the fridge?
• Has she eaten everything from the fridge?
• Has he eaten everything from the fridge?
• Has it eaten everything from the fridge?