This document discusses the 1st conditional in English grammar. The 1st conditional uses a present tense clause (the if-clause) and a future tense clause (the result clause). It provides the example "If it rains, we will stay at home" to illustrate this, where the if-clause is in the present simple tense and the result clause uses the future tense with "will". The document also notes that the 1st conditional refers to possible future events and provides additional examples of 1st conditional sentences.

1. 1st Conditional
basic concept

2. If A ⇒ B

3. If it rains, we’ll stay at home.

4. If A ⇒ B
if condition result
If it rains, we will stay at home.

5. If A ⇒ B
if condition result
If it rains, we will stay at home.
what tense is
this?

6. If A ⇒ B
if condition
present simple
result
If it rains, we will stay at home.

7. If A ⇒ B
if condition
present simple
result
If it rains, we will stay at home.
what time
does it refer
to?

8. If A ⇒ B
if condition
present simple
result
If it rains, we will stay at home.
and what
tense is this?

9. If A ⇒ B
if condition
present simple
result
will (future)
If it rains, we will stay at home.

10. If A ⇒ B
if
1st conditional
condition
present simple
result
will (future)
If it rains, we will stay at home.

11. If it rains, we’ll stay at home.
NOT if it will rain…

12. make some 1st conditionals

13. If A ⇒ B
1st
cond. present tense will (future)
If it / rain we / stay / home
If you / want I / invite / you / my party
If
Gianni / come / university /
tomorrow
we / have / lunch / together
If Anna / get / scholarship she / go / to study in USA.
If it / not rain / weekend we / go / the beach
If we / arrive / late we / meet / the bar

14. If it rains, we’ll stay at home.
=
We’ll stay at home if it rains.

15. If it rains, we’ll stay at home.
We’ll stay at home if it rains.
comma
no
comma

16. When A ⇒ B

17. When I arrive, I’ll call you.

18. When I arrive, I’ll call you.
NOT when I will arrive…

19. As soon as
Before
When
After
I arrive, I’ll call you.

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