1 Simple Past Where was he last night?     >>>  Simple Past He may have been at his house last night.   >>> Present Perfect  The question is in the form of " simple past " , so the answer should be as well. Where

Your explanation is nearly correct, CJ..however, this is the breakdown: would = subjunctive modal have had to = perfect tense of the modal replacement(or "semi-modal", if you prefer), " have to " have been eating= perfect

Wouldn't you say there are twelve tenses? Simple , Progressive, Perfect, Perfect Progressive - each with past, present, and future tenses - for a total of twelve? What is the difference between, for example, Future Perfect in the past and

Alex, Here's the mistake. because "had to" is a modal as well It's sometimes called a 'semi-modal', because it is like the modal must in meaning. Nevertheless, its grammar is exactly the same as for any non-modal verb, like want, like,

Strictly speaking there are only two tenses, but the idea of tense is usually extended to include aspect and voice. Tenses: Present, Past. Aspects: Simple, Perfect, Progressive, Perfect Progressive Voices: Active, Passive Each tense

Pemmican wrote: As far as I know, there are these 13 tenses: a) Past Perfect Progressive ........................had been + present participle b) Past Perfect ..........................................had + past participle c) Past Progressive

We are having 20 boxes delivered tomorrow. The above sentence uses what is called "causative form". We use the causative form to indicate that we are not doing something ourselves, but have arranged someone else to do it for us. The

Technically, there are two tenses: Present (or Non-Past) and Past. There are four aspects derived from two aspect pairs (simple vs. perfect and simple vs. progressive): Simple, Perfect, Progressive, and Perfect Progressive Combining these