TAILIEUCHUNG - Toefl exam success in only 6 step part 6

Each skill-building chapter of this book includes several practice exercises, and detailed answers and explanations are provided in Appendix A. Appendix B offers an extensive list of resources to help you fur¬ther strengthen your basic skills. Chapter 6 provides general information about the TOEFL exam, including notes about registration and scoring. | STRUCTURE GRAMMAR AND Present Past Past Participle Present Past Past Participle grow grew grown get got gotten know knew known give gave given throw threw thrown forgive forgave forgiven drive drove driven forsake forsook forsaken strive strove striven hide hid hidden choose chose chosen ride rode ridden rise rose risen write wrote written break broke broken freeze froze frozen speak spoke spoken steal stole stolen fall fell fallen Same present and past participle forms shake shook shaken come came come take took taken overcome overcame overcome forget forgot forgotten run ran run Special Case To Be The verb to be can pose special problems because the principal parts are formed in such unusual ways. The table below shows how to conjugate to be SUBJECT PRESENT PAST PAST PARTICIPLE I am was have been you are were have been he she it is was has been we are were have been they are were have been Helping Verbs Helping verbs also called auxiliary verbs are very important. They help signal exactly when an action took place or will take place. They also suggest very specific meanings such as the subject s ability or intention to do something. The following table lists the helping verbs their forms and their meanings. 62 STRUCTURE GRAMMAR AND STYLE PRESENT FUTURE PAST MEANING EXAMPLES will shall would intention I will go to the store right away. She said she would give you the report. can could ability They can do the job right. Fatima could read by the time she was three. may might can could could might permission You may be excused. We could leave early if we want to. should should have past participle recommendation The nurse said I should lie down and rest. We should have given her better directions. must have to had to necessity Doctors must write very detailed notes regarding each patient visit. They had to get to the bank before it closed. should should have past participle expectation The doctor should have sent you a copy of his report. They should have finished .

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