A 1 We never go to the theatre these days. Present Simple 2 We’re saving up to travel abroad. Present Continuous 3 We’ve already been to Morocco. Present Perfect 4 We didn’t have enough money to go further. Past Simple 5 We had spent all our savings by the end of the summer. Past Perfect 6 We’d been sleeping rough for several weeks when the weather turned colder. Past perfect Continuous 7 This year, I’ve been awarded a travel scholarship. Present Perfect 8 We’re going to travel for six months in Australia, and I’m going to write a thesis on the Local dialects. Present Continuous 9 I think we’ll buy a camper-van. Future Simple 10 by the following year, I’ll have completed most of my research. Future Perfect
B 1 I bought a newspaper this morning. I’ve bought a newspaper this morning. The first sentence is giving information to someone who asked him maybe in the past mid- morning. More of US English. The second sentence is a confirmation that he has already bought a newspaper very recently. 2 Did you remember to sign the letter? Do you remember signing the letter? The first sentence means someone was asked at the present time if they remember to sign the letter while the time has not passed. The second sentence is when the time has passed and someone has asked if they remember signing the letter.
3 He didn’t need to call the doctor. He needn’t have called the doctor. The first sentence means the doctor was not called as there was no requirement to carry out the action.
The second sentence is subjective from one’s point of view, meaning the doctor was called but there was no obligation in calling the doctor.
4 She speaks French. She’s speaking French.
The first sentence is third person singular. Meaning the conversation took place in the present informing someone about what language the person speaks.
The second sentence is again third person