1- For the two types of clauses, write not less than two sentences for each type. (express scientific and engineering ideas)
2- For the three types of sentences, write not less than two sentences for each type. (express scientific and engineering ideas)
3- Using subordinators, write not less than three sentences for each one. (express scientific and engineering ideas)
4- Using coordinators, write not less than three sentences for each one. (express scientific and engineering ideas)
5- Using conjunctive adverbs, write not less than two sentences for each one. (express scientific and engineering ideas)