Complete the words with the negative prefixes: semi-, dis-, un-, de-, in-, mis-, over. 1. there are permanent and joints. what has the form of a ? 2. overloaded machine component may be -formed. 3. joints are widely used. 4. of a machine part will result in its breaking. 5. there is nothing in mechanics. 6. machine components will be if they do not resist stresses. 7. what directional quantities do you know? -allignment may occur. - running clutches may be of a jaw type.

Unpermanent - unformed misuse unusual misshaped indirectional disaligment overrunning

                                                                    vologda                                                                     russia dear kerstin,  thanks for your letter. i’m glad your arm is out of plaster now!   i agree with you that english grammar is rather difficult so i think it’s necessary to learn grammar rules and to do exercises. as for me, i do it on a regular basis.  going to a language school together is a great idea! we could practise our english and visit lots of places of interest. i’m absolutely free this summer so i can go whenever you like.  write and tell me what dates suit you best. which course would you like to do? what level do you think we are? where would you prefer to stay? meanwhile, i’ll make some enquiries about language schools in the uk. i’ll get in touch soon. i hope it all works out!   lots of love,  sonya.