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Soluzione del esercizio 1 di Performer B1, Vol. 1
Esercizi svolti per il libro Performer B1, Vol. 1
Capitolo
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Build up to B1 - 1
Build up to B1 - 2
Build up to B1 - 3
Build up to B1 - 4
Build up to B1 - 5
1 - Vocabulary
1 - Presentation and Practice 1
1 - Preliminary
1 - Presentation and Practice 2
1 - Communication
1 - Culture and Competences
1 - Life Skills
2 - Vocabulary
2 - Presentation and Practice 1
2 - Preliminary
2 - Presentation and Practice 2
2 - Communication
2 - Culture and Competences
Review Units 1-2
3 - Vocabulary
3 - Presentation and Practice 1
3 - Preliminary
3 - Presentation and Practice 2
3 - Communication
3 - Culture and Competences
Towards INVALSI - Units 1-3
4 - Vocabulary
4 - Presentation and Practice 1
4 - Preliminary
4 - Presentation and Practice 2
4 - Communication
4 - Culture and Competences
Review Units 3-4
5 - Vocabulary
5 - Presentation and Practice 1
5 - Preliminary
5 - Presentation and Practice 2
5 - Communication
5 - Culture and Competences
5 - Life Skills
6 - Vocabulary
6 - Presentation and Practice 1
6 - Preliminary
6 - Presentation and Practice 2
6 - Communication
6 - Culture and Competences
Review Units 5-6
Towards INVALSI - Units 4-6
7 - Vocabulary
7 - Presentation and Practice 1
7 - Preliminary
7 - Presentation and Practice 2
7 - Communication
7 - Culture and Competences
7 - Life Skills
8 - Vocabulary
8 - Presentation and Practice 1
8 - Preliminary
8 - Presentation and Practice 2
8 - Communication
8 - Culture and Competences
Review Units 7-8
9 - Vocabulary
9 - Presentation and Practice 1
9 - Preliminary
9 - Presentation and Practice 2
9 - Communication
9 - Culture and Competences
Towards INVALSI - Units 7-9
10 - Vocabulary
10 - Presentation and Practice 1
10 - Preliminary
10 - Presentation and Practice 2
10 - Communication
10 - Culture and Competences
Review Units 9-10
11 - Vocabulary
11 - Presentation and Practice 1
11 - Preliminary
11 - Presentation and Practice 2
11 - Communication
11 - Culture and Competences
11 - Life Skills
12 - Vocabulary
12 - Presentation and Practice 1
12 - Preliminary
12 - Presentation and Practice 2
12 - Communication
12 - Culture and Competences
Review Units 11-12
Towards INVALSI - Units 10-12
Build up to B1 Workbook - Countries and nationalities
Build up to B1 Workbook - Everyday objects
Build up to B1 Workbook - Appearance
Build up to B1 Workbook - Cardinal numbers
Build up to B1 Workbook - Places in town, directions
Workbook 1 - Time of our lives
Workbook 2 - Sports and competitions
Workbook 3 - Places
Workbook 4 - Food for you
Workbook 5 - Living together
Workbook 6 - Personalities and experiences
Workbook 7 - Clothes and cultural identity
Workbook 8 - The world around us
Workbook 9 - On the move
Workbook 10 - Life-long learning
Workbook 11 - Films and music
Workbook 12 - This is life
Esercizio
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1
2
3
4
5
6
7
8
9
Soluzione
The
present perfect
is composed of two elements: (B)
the present tense of
have
+ the
past participle
of the main verb
.
We use the
present perfect
for actions that happened (B)
at an unspecified time
.
We also use the
present perfect
to talk about actions that happened (A)
within the last few moments
.
(A)
Ever, never, just, already
and
yet
are signal words of the
present perfect
.
Yes
is used in (B)
interrogative and negative sentences
.
We use
have/has been to
to refer to someone who (B)
went to a place and has already returned
.
After
It's the first time
we use (B)
the
present perfect
.
We use
must
for (A)
a self-imposed necessity or obligation, written instructions and orders
.
Mustn't
expresses (B)
prohibition
.
We use
needn't
to express (A)
absence of obligation to do something
.