simple past / simple present / will-future. I. Fill in the missing form in the correct tense. Watch out for signal words. a) Walter _____ (go) to school last week. This change in tense is correct because it allows the writer to express two ideas that take place in different time frames. Tense Guideline 3: When changing tenses, use signal words to show the change. As you learned earlier, sometimes you need to change the tense of your writing to explain ideas that occur in different time frames. The past simple is usually used: I reached school one hour ago. Also, the verb reach doesn't take a preposition, so delete 'at'. The second sentence is correct. But it's the present simple, not the present perfect (i.e. the verb have is the main verb, not an auxiliary verb). Have a look at our Present perfect page for more explanation. I hope Signalled is the past participle of the word signal. signal past form, verb forms, v1v2v3, Simple Future Tense: I will/shall signal. He/She/It will signal. Most verbs can easily be converted to fit the present perfect continuous simply by adding an “-ing” onto the end of the word (e.g., play = playing). But there are several exceptions to this spelling formula you need to be aware of as outlined below: When a verb ends with ONE final “E”, remove it and add “ing”. present simple (signal words 1) 1 (always, never), often, sometimes, seldom, etc. present simple (signal words 2) 2 every (second / third) day / month / year, on Monday's, once/twice, etc. present continuous (signal words 1) 1 now, today, at the moment, these days, etc. present continuous (signal words 2) faWPTM.

signal words for simple future tense