English grammar

English grammar

Completing sentence:

1.Zero condition : If  +present simple+present simple that means it use to Universal truth ,Scientific Truth etc.

Example:Water boils ____ you heat it to 100 centigrade.

Ans :Water boils if you heat it to 100 centigrade .

If man drinks poison ,he dies


2.1st condition :If + Present +future

Example:If he wants to play the violin ,I ____ Piano for him.


Ans:If he wants to play the violin,I shall Piano for him.


If you come I ___ go

 Ans:If you come I shall go


3. 2nd condition: If +past+would/could/might+v a present form.

If we had a boat,we ____ cross the river.

Ans;If we had a boat,we would cross the river.

If I ____ rich ,I would travel around the world.

If I were rich,I would travel around the world.

4.3rd Condition: If+Past perfect +would have/could have /might have+verb past participle

If  I had known you were coming_______.

Ans:   If  I had known you were coming ,I would have gone to the station.

If  I had tried I _____  have passed .

Ans:If I tried I would have Passed.

Conjunction
As
Example

As the sun ______ I decided to go out.

As the sun was shining ,I decided to go out.

As I left the house ,I _____ the key.

As I left the house ,I remembered  the key.

Since

___ we were late ,we decided to go by taxi.

Ans: since we were late,we decided to go by taxi.

present Indefinite Tense+ or perfect tense + since +past indefinite tense

otherwise

 past indefinite tense+ since+Past perfect tens


Some days ______ since my father died

Some days have passed since my father died.

while

Do not play ______ you are reading.

do not play while you are reading.

And

He is honest ____ leads a very simple life.

Ans ;He is honest and leads a very simple life.

But

He is honest _____ overlooks dishonesty of others.

Ans:He is honest but overlooks dishonesty of others.