Unit 5. Covalent Bonds
Date: 2015-10-07; view: 312.
Past Continuous
Affirmative:
| I/he/she/it we/you/they | was were | testing measuring carrying out etc. |
For example:
· Yesterday Alex and Jim were carrying out the experiment. They began at 11 o'clock and finished at 12.30.
· I was measuring voltage during my physics class.
Compare Past Continuous (I was doing) and Past Simple (I did):
| Past Continuous (in the middle of an action) · I was testinga new device when Alex called me. (in the middle of an action) | Past Simple (complete action) · I testeda new device last week. (= all the way, completely) |
1. Fill in the table:
| Noun | Verb | Adjective | Adverb | Translation | Transcription |
| radiate | |||||
| constructive | |||||
| production | |||||
| pulsate | |||||
| поглощение | |||||
| heat | |||||
| force | |||||
| absorbent | 
n
| ||||
| state | |||||
| perform | |||||
| bond | |||||
| create | |||||
| количество | |||||
| employ | |||||
| equip | 
n
| ||||
| piece | |||||
| represent | |||||
| purify | pure | 
adj
| |||
| примесь | |||||
| relative | |||||
| similar | |||||
| discovery | |||||
| orbit | |||||
| таблица |
2. Read and translate the following international words:
Nouns (n): crystal, group, helium, radiation, radium, valence, uranium.
Adjectives (adj): central, covalent, cubic, periodic, vertical, economic(al).
Verbs (v): group, radiate, vibrate.
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