……………… forget to bring the book.
The simple present is used in imperative sentences.
She ………………. a bath when she heard a knock on the door.
The past continuous is used to talk about the longer background action that was going on when another action took place.
‘The phone is ringing.’ ‘I …………. it.’
Will is used to announce our decisions.
When you phoned I …………….. in the garden.
When we talk about two past events, we often use the past continuous for the longer background action.
Sulphuric acid …………….. most metals.
We use the simple future to talk about habits and characteristic behavior.
………….. I turn the heating on?
We use shall in polite offers and requests.
I ………………. the minister tomorrow.
The present continuous is used to refer to future events that are already arranged.
He ........................ for Singapore last week.
The simple past is used to say when something happened in the past.
We ....................... a strange experience yesterday.
The simple past is used to say when something happened in the past.
You cannot meet him now. He ................... home.
The present perfect is used to talk about finished events whose effect is still felt in the present.