B. There are two tenses in English: present and past.
B1. The present tenses in English are used:
a. to talk about the present (e.g. He works at McDonald’s. He has worked there for three months now. He is working at McDonald’s. He has been working there for three months now. London is the capital of Britain.)
b. to talk about the future (e.g. The next train leaves this evening at 1700 hours. I’ll phone you when I get home. He’s meeting Peter in town this afternoon. I’ll come home as soon as I have finished work. You will be tired out after you have been working all night.)
c. to talk about the past when we are telling a story in spoken English or when we are summarising a book, film, play etc. (e.g. So I say to him, 'What's your game, son?' He's having problems with the car again.)
B2. There are four present tense forms in English:
a. Present simple (e.g. I work.)
b. Present continuous (e.g. I am working.)
c. Present perfect (e.g. I have worked.)
d. Present perfect continuous (e.g. I have been working.)
Idiom 365
Caught between two Stools (or fall between two stools): When someone finds it difficult to choose between two alternatives.
Example: He tries to be both good father and business man, but caught (falls) between two stools.