TY  - BOOK
AU  - Murphy,Raymond
TI  - Essential grammar in use: a reference and practice book for elementary students 
SN  - 0-521-35771-3
U1  - 428.2 20
PY  - 1990///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language
KW  - Grammar
KW  - 1950-
KW  - Inglés
KW  - Gramática
N2  - Índice: Am/is/are. Am/is/are (questions). I am doing (present continuous). Are you -ing (present continuos questions). I do/work/like etc (present simple). Do you...? (presents simple questions). Iam doing (present continuous) and I do(present simple). I watched/cleaned/went etc (past simple). I didn't... Did you...? (past simple negativeand questions). Was/were. I was doing (past continuous). I was doing (past continuous) and I did (past simple). Have/has (got). I have done (present perfect 1). Have you ever...? (present perfect 2). How long have you...? (present perfect 3). For since ago. I have done (present perfect) and I did (past simple). It is done/ it was done (passive). What are you doing tomorrow? (present for the future). Iḿ going to watch TV (am/is/are going to...). Will/shall (1). Will/shall (2). Can and could. May and might. Must. Should. Have to.... Would you like...?. There is there are. There was/were/has been/will be. It.... Go/going, work/working, play/playing etc. Be/have/do in presents and past tenses. Regular and irregular verbs. I am/ I don't etc. Have you/Are you/Don't you? etc. Too/either, so am I/neither do I etc. Negatives: isn't/haven't/don't etc. Questions (1): is it...? have you...? do they..? etc. Questions (2): Who saw you?  Who did you see?. Questions (3): Who is she talking to? What is it  like?. What...?  Which..?  How...?. How long does it take?. Can you tell me where..?. Do you know what...? etc. To... (I want to do) and -ing (I enjoy doing). I want you to.../ I told you to .... He said that.../ He told me that.... Iwent to the shop to buy... Get. Go. I/me  he/him  they/them etc. My/his/their etc. Whose is this? It's mine. I/me/my/mine. Myself/yourself/himself etc. -'s (Ann's camera / my brother's car etc). A/an. Flower/flowers (singular and plural). A car/some money (countable/uncontable 1).
ER  -