Упростите выражение

 

[tex](\frac{2}{y}-\frac{y}{y^{2}+1})*\frac{3y}{y^{2}+2}[/tex] 

в какой особой форме глагола употреблюется суффиксы ущ ющ ащ ящ

при каком условии пишется ущ ющ а при каком ащ ящ

Choose the correct word or phrase in each sentence

1 The teacher told/asked if I'd finished the test.

2 My mobile phone needs recharging! I wish the battery wasn't /isn't flat.

3  We showed round/were shown round the art gallery by our teacher.

4 If i won/win the lottery. I'd travel round the world.

5 I didn't know /wouldn't have known if you hadn't told me.

6 Rita left a message to say that she would join/had joined you in the pub tonight.

7 I said/told to Steve that I'd meet him at the swimming baths later.

8 If you'd done /you did more revision, you wouldn't have failed the exam.

9 I was giving/was given the necklace by my aunt.

10 I asked her if she would be/was from Switzerland, and she said no.

11I was here /I've been here since the beginning of June.

12 No,I can't see the bird. Where are you looking/do you look?

13  I'm going to tell her but I didn't see/I've not seen her yet.

14 I think we have time for a coffee before the train artives/will arrive.

15 When I was a baby I was carrying /I used to carry a yellow blanket everywhere I went.

три словарных слова ПОНЕДЕЛЬНИК, ВТОРНИК, СРЕДА, разделить на слоги, обозначить гласные.

Use the infinitive or the gerund

1.Every summer I look forward to(to gather) the harvest in our garden.

2. She took my hand and kept on (to laugh).

3. Show me what (to do).

4.I suggest her (to read) poetry to the children.

5.When there were no telephones people used (to write) letters.

6.These words are difficult (to interpret).

7. I offered (to open) the door for the guests as all the rest were busy in the kitchen.

8.He was said (to be) a good scientist.

9. You will not succeeded in (to spend) a lot of advertising.

10.I don't get used (to eat) spicy food.