Page 106 - Basic English Usage

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Since gives the starting point of actions and states that continue up to
the present; from gives the starting point of other actions and states.

THEN from nine to five > THEN

THEN trom his childhood >
from three o'clock onwards

NOW tom now on >

THEN since ten o'clock > NOW
since January

For and since can both be used with the present perfect
(have + past participle). They are not the same.
for + period since + starting point
I've known her for three days. _|'ve known her since Tuesday.
I've been here for a month. I've been here since July.
I've had my car for ages. I've had my car since 1980.

134 future: introduction

There are several ways to talk about the future in English.

Present tenses
When we talk about future events which are already decided now, or
which we can see now ‘are on the way’, we often use present tenses.
There are two possibilities: the present progressive ,
and a structure with the present progressive of go | /amgoingto...

I’m seeing John tomorrow. _ She’s going to have a baby.
For more details, see 135.
We can sometimes use the simple present to talk about the future, but
only in certain cases. See 138.

shall/will
When we are predicting future events which are not already decided or
obviously ‘on the way’, we usually use | sha///will + infinitive
Nobody will ever know what happened to her.
| think Liverpool will win.
For more details, see 136.