For all tenses, this is always the first element in the verb pattern to change with the time extent (PRESENT, PAST, or FUTURE). It changes the same in our Fields of Time. We can say that it is the form closest to our cognitive ground. It changes the same for our value ON.
Grammar exercises can "buy" us some luck at tests and exams — here we have some more of our grammar "good luck boutique", and good American does not have to be grave serious. More→
Mind practice for the Aspect and the time frame.
2. The skylark found nothing to outbid the bit of cosmos with a squid.
8. The spotted redshank bachelorette did reset her buret for the bouncing bet. More→
To think about grammatical time, we do not have to feel bound to fields and land travel, even if only symbolically. We can imagine a bald eagle ON Mount Elbert. He nests IN a valley, flies TO the mountain top, and stays AT the summit, for warm days. The eagle route has four types of reference. ■→More
Whether English is spoken or written, verb forms be and have are the most usual to occur. We can extract patterns for the Simple, Progressive, and Perfect. ■→More
Verbs may change in shape for the PRESENT, PAST, and FUTURE, and not all are regular in this. We exercise verb 1st and 2nd forms in the fields of time. ■→More