The verb to be. insert appropriate present forms. a: hi, alex. how (1) you? b: hello david. i (2) fine and how (3) you doing? a: i (4) fine. b: how (5) your sister? where (6) now? a: she (7) in london. she (8) english there. b: really? that (9) ! how about your parents? a; they (10) fine too. they (11) in cyprus now. b: (12) you busy tonight? a: not really, why? b: we (13) having a party. would you like to come? a: i’d love to. b: then come to our place at 7: 00 p.m. read more at:

How are you?
I am fine and how are you doing?
I am doing fine.
How is your sister? Where is she now?
She is in London. She is learning English there.
That is wonderful!
They are fine too. They are in Cyprus now.
Are you busy tonight?
We are having a party.

1are2am3are4am5is6is7is8is9is10are11are12are13are

1. Are students listening to the lecturer?

The students are don't listening to the lecturer.

2. Us professor N. at last lecture was encouraging us to ask questions?

At last lecture professor N. don't was encouraging us to ask questions.

3. Is our programmer developing a new teacher training computer program?

Our programmer is don't developing a new teacher training.

4. Were they repairing computer when he entered the computer class?

They don't were repairing computer when he entered the computer class.

5. Were they working all day yesterday?

They don't were working all day yesterday.

6. Are teachers discussing merits and demerits of the new approach in language teaching?

Teachers are don't discussing merits and demerits of the new approach in language teaching.

7. Is the Prime Minister will be staying three days in France?

The Prime Minister don't will be staying three days in France.

Омофо́ны, фонетическая двусмысленность, фонетические омонимы (греч. ὁμός — одинаковый + φωνή — звук) — слова, которые звучат одинаково, но пишутся по-разному и имеют разное значение.
Примеры в русском языке: порог — порок — парок, луг — лук, плод — плот, туш — тушь, падёж — падёшь, бал — , косный — костный, предать — придать, эмитировать — имитировать.
В русском языке два основных источника омофонии:
явление оглушения согласных в конце слов и перед другим согласным звуком,
редукция гласных в безударной позиции.