I. Определите функции и значения выделенных слов. Назовите признаки after в роли союза. Предложения промоделируйте.

1. After the 1 the2 3ed in the 4 for a 6.

2. After the 1 2 did the 3 the 4 5ed the 6 in the 7.

3. The 1 2ed the 3 after the 4 had done the 6 of 7.

4. The 1 2 did the 3 after seven.

II. Определите функции и значения многозначного слова after и назовите их признаки.

1. In 1997 after charges of breaching the security of the US air force had been dropped, the son of a fraud squad detective walked free from a court in London.

2. Regan changed his name after he left Poland.

3. A year after the failure of the experiment they were ready to repeat it.

4. After the positive charge reached a certain value, placing a greater positive charge on the plate had no further effect.

5. After another stage of amplification the current is strong enough to operate the powerful loud speaker.

Признаки распознавания функций значения as

1. as^1 + в начале или середине сложного предложения		= coюз - после того, как
	C + CK
	простое предложение

1. As this question is of utmost importance, we shall discuss it at once.

2. Some problems are generic to all nuclear plants as they age.

2. местоимение,

as² + существительноe/именное = предлог, – как, в качестве, как например

словосочетание

1. In a digital signal the information is encoded as a set of discrete values.

2. This gifted scientist works as director of the newly established research institute.

¹ As входит в состав некоторых составных союзов:

a) as if – как будто, as to – что касается, относительно, as though – как будто.

² As входит в состав некоторых составных наречий:

b) as for – что касается, as long as – пока, as soon as – как только, as well – тоже, также, as well as – также как и.

III. Определите функции и значения слова as .

Назовите признаки as в роли союза.

1) My 1s 2 as 3.

2) The 1 2s in the 3 as the 4 is ed by 5.

3) As the1 is the 2 the 3s 4 for 5.

4) In 1 the 2 is 3ed as a 4.

5) His 1 2s in the 3 as well.

IV. Определите функции и значения многофункционального слова as и назовите их признаки.

1. We tap into the electromagnetic spectrum with our communications devices and use the electromagnetic energy as a communications tool.

2. As the knowledge about nanomaterials accumulated, they find more and more application in different spheres of our life.

3. As bridges are protocol-independent, they are faster because they do not have to deal with protocol reading.

4. Ethernet is the most popular LAN technology in use today as it offers a good balance between speed, cost and ease of installation.

5. As long as this link is in place, the cell has a value of 1.

Признаки распознавания функций и значений before.

1. before + в начале или середине сложного предложения		= coюз – до того, как; прежде, чем
	C + CK
	простое предложение

1. Many experiments had been made before the scientist succeeded in getting the desired result.

2. Before the advent of the browser the Internet was used mostly for e-mail exchange.

2. местоимение,

before + существительноe (x)/именное = предлог – до, перед

словосочетание герундий

1. He was through with his experiment before his professor’s coming.

2. I’ll finish my work before five o’clock.